US Core Implementation Guide, published by HL7 International / Cross-Group Projects. This guide is not an authorized publication; it is the continuous build for version 8.0.0-ballot built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/US-Core/ and changes regularly. See the Directory of published versions

Terminology

This page lists all the ValueSets, CodeSystems, and ConceptMaps defined as part of the US Core Implementation Guide. For more information on using codes in US Core, see the FHIR Terminology section in the FHIR specification and the Coded Elements section in this guide.

Value Sets

Most value sets used in this guide are defined in the base FHIR specification, HL7 Terminology (THO), or Value Set Authority Center (VSAC)]. However, the following value sets have been defined for this implementation guide and are not listed elsewhere.

• Detailed ethnicity
• Detailed Race
• Language codes with language and optionally a region modifier
• US Core Narrative Status
• OMB Ethnicity Categories
• OMB Race Categories
• US Core Clinical Note Type
• US Core Clinical Result Observation Category
• US Core Condition Codes
• US Core Diagnostic Report Category Codes
• US Core Discharge Disposition
• US Core DocumentReference Category
• US Core DocumentReference Type
• US Core Encounter Type
• US Core Goal Codes
• US Core Laboratory Test Codes
• US Core Location Type
• US Core Non Laboratory Codes
• US Core Status for Smoking Status Observation
• US Core Pregnancy Intent Codes
• US Core Pregnancy Status Codes
• US Core Problem or Health Concern
• US Core Procedure Codes
• US Core Provenance Participant Type Codes
• US Core Screening Assessment Condition Category
• US Core Screening Assessment Observation Category
• US Core Screening Assessment Observation Maximum Category
• US Core ServiceRequest Category Codes
• US Core Simple Observation Category
• US Core Specimen Condition
• US Core Survey Codes
• USPS Two Letter Alphabetic Codes

Value Sets Used in US Core

The following table lists all the Value sets used in US Core and where they can be found. This information is also available as a csv or excel file.

Value Set Sources:

• VSAC
• FHIR
• US CORE
• PHINVADS
• THO

Row #	Value Set	Profiles Where Used	Source
1	ActEncounterCode	StructureDefinition/us-core-encounter	THO
2	ActPharmacySupplyType	StructureDefinition/us-core-medicationdispense	THO
3	ActPriority	StructureDefinition/us-core-encounter	THO
4	ActSubstanceAdminSubstitutionCode	StructureDefinition/us-core-medicationrequest StructureDefinition/us-core-medicationdispense	THO
5	AddressType	StructureDefinition/us-core-practitioner StructureDefinition/us-core-patient StructureDefinition/us-core-location StructureDefinition/us-core-organization	FHIR
6	AddressUse	StructureDefinition/us-core-practitioner StructureDefinition/us-core-patient StructureDefinition/us-core-location StructureDefinition/us-core-organization	FHIR
7	AdministrativeGender	StructureDefinition/us-core-practitioner StructureDefinition/us-core-patient StructureDefinition/us-core-relatedperson	FHIR
8	Admit source	StructureDefinition/us-core-encounter	FHIR
9	AllergyIntolerance Clinical Status Codes	StructureDefinition/us-core-allergyintolerance	FHIR
10	AllergyIntolerance Verification Status Codes	StructureDefinition/us-core-allergyintolerance	FHIR
11	AllergyIntoleranceCategory	StructureDefinition/us-core-allergyintolerance	FHIR
12	AllergyIntoleranceCriticality	StructureDefinition/us-core-allergyintolerance	FHIR
13	AllergyIntoleranceSeverity	StructureDefinition/us-core-allergyintolerance	FHIR
14	AllergyIntoleranceType	StructureDefinition/us-core-allergyintolerance	FHIR
15	Birth Sex	StructureDefinition/us-core-birthsex	VSAC
16	Body Length Units	StructureDefinition/us-core-head-circumference StructureDefinition/us-core-body-height	FHIR
17	Body Temperature Units	StructureDefinition/us-core-body-temperature	FHIR
18	Body Weight Units	StructureDefinition/us-core-body-weight	FHIR
19	CVX Vaccines Administered Vaccine Set	StructureDefinition/us-core-immunization	VSAC
20	Care Plan Activity Kind	StructureDefinition/us-core-careplan	FHIR
21	Care Plan Activity Outcome	StructureDefinition/us-core-careplan	FHIR
22	Care Plan Category	StructureDefinition/us-core-careplan	FHIR
23	Care Plan Intent	StructureDefinition/us-core-careplan	FHIR
24	Care Team Member Function	StructureDefinition/us-core-careteam StructureDefinition/us-core-practitionerrole	VSAC
25	Care Team category	StructureDefinition/us-core-careteam	FHIR
26	CarePlanActivityStatus	StructureDefinition/us-core-careplan	FHIR
27	CareTeamStatus	StructureDefinition/us-core-careteam	FHIR
28	Codes for Immunization Site of Administration	StructureDefinition/us-core-immunization	FHIR
29	Common Languages	StructureDefinition/us-core-specimen StructureDefinition/us-core-documentreference StructureDefinition/us-core-observation-pregnancyintent StructureDefinition/us-core-procedure StructureDefinition/us-core-observation-lab StructureDefinition/us-core-vital-signs StructureDefinition/us-core-careplan StructureDefinition/us-core-organization StructureDefinition/us-core-practitioner StructureDefinition/us-core-head-circumference StructureDefinition/us-core-heart-rate StructureDefinition/us-core-practitionerrole StructureDefinition/us-core-body-height StructureDefinition/us-core-smokingstatus StructureDefinition/us-core-patient StructureDefinition/us-core-provenance StructureDefinition/us-core-observation-clinical-result StructureDefinition/us-core-respiratory-rate StructureDefinition/us-core-body-temperature StructureDefinition/us-core-questionnaireresponse StructureDefinition/us-core-condition-encounter-diagnosis StructureDefinition/pediatric-weight-for-height StructureDefinition/us-core-condition-problems-health-concerns StructureDefinition/us-core-implantable-device StructureDefinition/us-core-observation-pregnancystatus StructureDefinition/us-core-medicationdispense StructureDefinition/us-core-treatment-intervention-preference StructureDefinition/pediatric-bmi-for-age StructureDefinition/us-core-pulse-oximetry StructureDefinition/us-core-diagnosticreport-lab StructureDefinition/us-core-encounter StructureDefinition/head-occipital-frontal-circumference-percentile StructureDefinition/us-core-bmi StructureDefinition/us-core-coverage StructureDefinition/us-core-servicerequest StructureDefinition/us-core-simple-observation StructureDefinition/us-core-diagnosticreport-note StructureDefinition/us-core-medicationrequest StructureDefinition/us-core-care-experience-preference StructureDefinition/us-core-medication StructureDefinition/us-core-careteam StructureDefinition/us-core-goal StructureDefinition/us-core-observation-screening-assessment StructureDefinition/us-core-relatedperson StructureDefinition/us-core-immunization StructureDefinition/us-core-body-weight StructureDefinition/us-core-observation-occupation StructureDefinition/us-core-average-blood-pressure StructureDefinition/us-core-observation-sexual-orientation StructureDefinition/us-core-location StructureDefinition/us-core-allergyintolerance StructureDefinition/us-core-blood-pressure	FHIR
30	Common Tags	StructureDefinition/us-core-diagnosticreport-lab StructureDefinition/us-core-condition-problems-health-concerns StructureDefinition/us-core-encounter StructureDefinition/us-core-observation-lab	FHIR
31	Common substances for allergy and intolerance documentation including refutations	StructureDefinition/us-core-allergyintolerance	VSAC
32	CompositionStatus	StructureDefinition/us-core-documentreference	FHIR
33	Condition Category Codes	StructureDefinition/us-core-condition-problems-health-concerns StructureDefinition/us-core-condition-encounter-diagnosis	FHIR
34	Condition Clinical Status Codes	StructureDefinition/us-core-condition-problems-health-concerns StructureDefinition/us-core-condition-encounter-diagnosis	FHIR
35	Condition Stage	StructureDefinition/us-core-condition-problems-health-concerns StructureDefinition/us-core-condition-encounter-diagnosis	FHIR
36	Condition Stage Type	StructureDefinition/us-core-condition-problems-health-concerns StructureDefinition/us-core-condition-encounter-diagnosis	FHIR
37	Condition/Diagnosis Severity	StructureDefinition/us-core-condition-problems-health-concerns StructureDefinition/us-core-condition-encounter-diagnosis	FHIR
38	Condition/Problem/Diagnosis Codes	StructureDefinition/us-core-procedure	FHIR
39	ConditionVerificationStatus	StructureDefinition/us-core-condition-problems-health-concerns StructureDefinition/us-core-condition-encounter-diagnosis	FHIR
40	Contact entity type	StructureDefinition/us-core-organization	FHIR
41	ContactPointSystem	StructureDefinition/us-core-practitioner StructureDefinition/us-core-patient StructureDefinition/us-core-practitionerrole StructureDefinition/us-core-organization	FHIR
42	ContactPointUse	StructureDefinition/us-core-practitioner StructureDefinition/us-core-patient StructureDefinition/us-core-practitionerrole StructureDefinition/us-core-organization	FHIR
43	Coverage Class Codes	StructureDefinition/us-core-coverage	FHIR
44	Coverage Copay Type Codes	StructureDefinition/us-core-coverage	FHIR
45	DataAbsentReason	StructureDefinition/pediatric-bmi-for-age StructureDefinition/us-core-pulse-oximetry StructureDefinition/us-core-observation-pregnancyintent StructureDefinition/us-core-bmi StructureDefinition/us-core-observation-lab StructureDefinition/head-occipital-frontal-circumference-percentile StructureDefinition/us-core-vital-signs StructureDefinition/us-core-simple-observation StructureDefinition/us-core-head-circumference StructureDefinition/us-core-heart-rate StructureDefinition/us-core-body-height StructureDefinition/us-core-smokingstatus StructureDefinition/us-core-care-experience-preference StructureDefinition/us-core-observation-clinical-result StructureDefinition/us-core-observation-screening-assessment StructureDefinition/us-core-respiratory-rate StructureDefinition/us-core-body-temperature StructureDefinition/pediatric-weight-for-height StructureDefinition/us-core-observation-pregnancystatus StructureDefinition/us-core-body-weight StructureDefinition/us-core-observation-occupation StructureDefinition/us-core-average-blood-pressure StructureDefinition/us-core-treatment-intervention-preference StructureDefinition/us-core-observation-sexual-orientation StructureDefinition/us-core-blood-pressure	FHIR
46	DaysOfWeek	StructureDefinition/us-core-practitionerrole StructureDefinition/us-core-location	FHIR
47	Detailed Ethnicity	ValueSet/detailed-ethnicity	VSAC
48	Detailed Race	StructureDefinition/us-core-race	US CORE
49	Detailed ethnicity	StructureDefinition/us-core-ethnicity	US CORE
50	DeviceNameType	StructureDefinition/us-core-implantable-device	FHIR
51	DiagnosisRole	StructureDefinition/us-core-encounter	FHIR
52	Diagnostic Service Section Codes	StructureDefinition/us-core-diagnosticreport-note StructureDefinition/us-core-diagnosticreport-lab	FHIR
53	DiagnosticReportStatus	StructureDefinition/us-core-diagnosticreport-note StructureDefinition/us-core-diagnosticreport-lab	FHIR
54	Diet	StructureDefinition/us-core-encounter	FHIR
55	Document Class Value Set	StructureDefinition/us-core-documentreference	FHIR
56	Document Type Value Set	OperationDefinition/docref	FHIR
57	DocumentReferenceStatus	StructureDefinition/us-core-documentreference	FHIR
58	DocumentRelationshipType	StructureDefinition/us-core-documentreference	FHIR
59	DoseAndRateType	StructureDefinition/us-core-medicationrequest StructureDefinition/us-core-medicationdispense	FHIR
60	Encounter Reason Codes	StructureDefinition/us-core-encounter	FHIR
61	EncounterLocationStatus	StructureDefinition/us-core-encounter	FHIR
62	EncounterStatus	StructureDefinition/us-core-encounter	FHIR
63	Ethnicity	ValueSet/omb-ethnicity-category	VSAC
64	EventStatus	StructureDefinition/us-core-procedure	FHIR
65	Example Coverage Financial Exception Codes	StructureDefinition/us-core-coverage	FHIR
66	Extended Pregnancy Status	ValueSet/us-core-pregnancy-status	VSAC
67	FHIR Device Types	StructureDefinition/us-core-implantable-device StructureDefinition/us-core-procedure	FHIR
68	FHIR Specimen Collection Method	StructureDefinition/us-core-specimen	FHIR
69	FHIRDeviceStatus	StructureDefinition/us-core-implantable-device	FHIR
70	FHIRDeviceStatusReason	StructureDefinition/us-core-implantable-device	FHIR
71	Facility Type Code Value Set	StructureDefinition/us-core-documentreference	FHIR
72	Financial Resource Status Codes	StructureDefinition/us-core-coverage	FHIR
73	Gender Identity	StructureDefinition/us-core-genderIdentity	VSAC
74	Goal achievement status	StructureDefinition/us-core-goal	FHIR
75	Goal category	StructureDefinition/us-core-goal	FHIR
76	Goal priority	StructureDefinition/us-core-goal	FHIR
77	Goal start event	StructureDefinition/us-core-goal	FHIR
78	GoalLifecycleStatus	StructureDefinition/us-core-goal	FHIR
79	HL7 ValueSet of Format Codes for use with Document Sharing	StructureDefinition/us-core-documentreference	THO
80	Healthcare Provider Taxonomy	StructureDefinition/us-core-practitionerrole	VSAC
81	IdentifierType	StructureDefinition/us-core-practitioner StructureDefinition/us-core-patient StructureDefinition/us-core-encounter StructureDefinition/us-core-coverage StructureDefinition/us-core-organization	FHIR
82	IdentifierUse	StructureDefinition/us-core-practitioner StructureDefinition/us-core-patient StructureDefinition/us-core-encounter StructureDefinition/us-core-coverage StructureDefinition/us-core-organization	FHIR
83	Immunization Function Codes	StructureDefinition/us-core-immunization	FHIR
84	Immunization Funding Source	StructureDefinition/us-core-immunization	FHIR
85	Immunization Origin Codes	StructureDefinition/us-core-immunization	FHIR
86	Immunization Program Eligibility	StructureDefinition/us-core-immunization	FHIR
87	Immunization Reason Codes	StructureDefinition/us-core-immunization	FHIR
88	Immunization Route Codes	StructureDefinition/us-core-immunization	FHIR
89	Immunization Status Codes	StructureDefinition/us-core-immunization	FHIR
90	Immunization Status Reason Codes	StructureDefinition/us-core-immunization	FHIR
91	Immunization Subpotent Reason	StructureDefinition/us-core-immunization	FHIR
92	Immunization Target Disease Codes	StructureDefinition/us-core-immunization	FHIR
93	Industry NAICS Detail (ODH)	StructureDefinition/us-core-observation-occupation	PHINVADS
94	Information Source for Medication Adherence	StructureDefinition/us-core-medication-adherence	VSAC
95	LOINC Codes	StructureDefinition/us-core-care-experience-preference StructureDefinition/us-core-goal StructureDefinition/us-core-observation-pregnancyintent StructureDefinition/us-core-observation-lab StructureDefinition/us-core-observation-clinical-result StructureDefinition/us-core-observation-screening-assessment StructureDefinition/us-core-simple-observation StructureDefinition/us-core-observation-pregnancystatus StructureDefinition/us-core-observation-occupation StructureDefinition/us-core-average-blood-pressure StructureDefinition/us-core-treatment-intervention-preference StructureDefinition/us-core-observation-sexual-orientation StructureDefinition/us-core-smokingstatus	FHIR
96	Language codes with language and optionally a region modifier	StructureDefinition/us-core-patient	US CORE
97	LinkType	StructureDefinition/us-core-patient	FHIR
98	Location type	StructureDefinition/us-core-encounter StructureDefinition/us-core-location	FHIR
99	LocationMode	StructureDefinition/us-core-location	FHIR
100	LocationStatus	StructureDefinition/us-core-location	FHIR
101	Manifestation and Symptom Codes	StructureDefinition/us-core-condition-problems-health-concerns StructureDefinition/us-core-condition-encounter-diagnosis	FHIR
102	MaritalStatus	StructureDefinition/us-core-patient	FHIR
103	Medication status codes	StructureDefinition/us-core-medication	FHIR
104	Medication Adherence	StructureDefinition/us-core-medication-adherence	VSAC
105	Medication Clinical Drug	StructureDefinition/us-core-medicationrequest StructureDefinition/us-core-medication StructureDefinition/us-core-medicationdispense	VSAC
106	Medication dispense category codes	StructureDefinition/us-core-medicationdispense	FHIR
107	Medication dispense performer function codes	StructureDefinition/us-core-medicationdispense	FHIR
108	Medication dispense status codes	StructureDefinition/us-core-medicationdispense	FHIR
109	Medication dispense status reason codes	StructureDefinition/us-core-medicationdispense	FHIR
110	Medication request category codes	StructureDefinition/us-core-medicationrequest	FHIR
111	Medication request course of therapy codes	StructureDefinition/us-core-medicationrequest	FHIR
112	Medication request intent	StructureDefinition/us-core-medicationrequest	FHIR
113	Medication request status reason codes	StructureDefinition/us-core-medicationrequest	FHIR
114	Medicationrequest status	StructureDefinition/us-core-medicationrequest	FHIR
115	MimeType	StructureDefinition/us-core-documentreference	FHIR
116	NameUse	StructureDefinition/us-core-practitioner StructureDefinition/us-core-patient	FHIR
117	OMB Ethnicity Categories	StructureDefinition/us-core-ethnicity	US CORE
118	OMB Race Categories	StructureDefinition/us-core-race	US CORE
119	Observation Category Codes	StructureDefinition/pediatric-bmi-for-age StructureDefinition/us-core-pulse-oximetry StructureDefinition/us-core-observation-pregnancyintent StructureDefinition/us-core-bmi StructureDefinition/us-core-observation-lab StructureDefinition/head-occipital-frontal-circumference-percentile StructureDefinition/us-core-vital-signs StructureDefinition/us-core-simple-observation StructureDefinition/us-core-head-circumference StructureDefinition/us-core-heart-rate StructureDefinition/us-core-body-height StructureDefinition/us-core-smokingstatus StructureDefinition/us-core-care-experience-preference StructureDefinition/us-core-observation-clinical-result StructureDefinition/us-core-observation-screening-assessment StructureDefinition/us-core-respiratory-rate StructureDefinition/us-core-body-temperature StructureDefinition/pediatric-weight-for-height StructureDefinition/us-core-observation-pregnancystatus StructureDefinition/us-core-body-weight StructureDefinition/us-core-observation-occupation StructureDefinition/us-core-average-blood-pressure StructureDefinition/us-core-treatment-intervention-preference StructureDefinition/us-core-observation-sexual-orientation StructureDefinition/us-core-blood-pressure	FHIR
120	Observation Interpretation Codes	StructureDefinition/pediatric-bmi-for-age StructureDefinition/us-core-pulse-oximetry StructureDefinition/us-core-observation-pregnancyintent StructureDefinition/us-core-bmi StructureDefinition/us-core-observation-lab StructureDefinition/head-occipital-frontal-circumference-percentile StructureDefinition/us-core-vital-signs StructureDefinition/us-core-simple-observation StructureDefinition/us-core-head-circumference StructureDefinition/us-core-heart-rate StructureDefinition/us-core-body-height StructureDefinition/us-core-smokingstatus StructureDefinition/us-core-care-experience-preference StructureDefinition/us-core-observation-clinical-result StructureDefinition/us-core-observation-screening-assessment StructureDefinition/us-core-respiratory-rate StructureDefinition/us-core-body-temperature StructureDefinition/pediatric-weight-for-height StructureDefinition/us-core-observation-pregnancystatus StructureDefinition/us-core-body-weight StructureDefinition/us-core-observation-occupation StructureDefinition/us-core-average-blood-pressure StructureDefinition/us-core-treatment-intervention-preference StructureDefinition/us-core-observation-sexual-orientation StructureDefinition/us-core-blood-pressure	FHIR
121	Observation Methods	StructureDefinition/pediatric-bmi-for-age StructureDefinition/us-core-pulse-oximetry StructureDefinition/us-core-observation-pregnancyintent StructureDefinition/us-core-bmi StructureDefinition/us-core-observation-lab StructureDefinition/head-occipital-frontal-circumference-percentile StructureDefinition/us-core-vital-signs StructureDefinition/us-core-simple-observation StructureDefinition/us-core-head-circumference StructureDefinition/us-core-heart-rate StructureDefinition/us-core-body-height StructureDefinition/us-core-smokingstatus StructureDefinition/us-core-care-experience-preference StructureDefinition/us-core-observation-clinical-result StructureDefinition/us-core-observation-screening-assessment StructureDefinition/us-core-respiratory-rate StructureDefinition/us-core-body-temperature StructureDefinition/pediatric-weight-for-height StructureDefinition/us-core-observation-pregnancystatus StructureDefinition/us-core-body-weight StructureDefinition/us-core-observation-occupation StructureDefinition/us-core-average-blood-pressure StructureDefinition/us-core-treatment-intervention-preference StructureDefinition/us-core-observation-sexual-orientation StructureDefinition/us-core-blood-pressure	FHIR
122	Observation Reference Range Applies To Codes	StructureDefinition/pediatric-bmi-for-age StructureDefinition/us-core-pulse-oximetry StructureDefinition/us-core-observation-pregnancyintent StructureDefinition/us-core-bmi StructureDefinition/us-core-observation-lab StructureDefinition/head-occipital-frontal-circumference-percentile StructureDefinition/us-core-vital-signs StructureDefinition/us-core-simple-observation StructureDefinition/us-core-head-circumference StructureDefinition/us-core-heart-rate StructureDefinition/us-core-body-height StructureDefinition/us-core-smokingstatus StructureDefinition/us-core-care-experience-preference StructureDefinition/us-core-observation-clinical-result StructureDefinition/us-core-observation-screening-assessment StructureDefinition/us-core-respiratory-rate StructureDefinition/us-core-body-temperature StructureDefinition/pediatric-weight-for-height StructureDefinition/us-core-observation-pregnancystatus StructureDefinition/us-core-body-weight StructureDefinition/us-core-observation-occupation StructureDefinition/us-core-average-blood-pressure StructureDefinition/us-core-treatment-intervention-preference StructureDefinition/us-core-observation-sexual-orientation StructureDefinition/us-core-blood-pressure	FHIR
123	Observation Reference Range Meaning Codes	StructureDefinition/pediatric-bmi-for-age StructureDefinition/us-core-pulse-oximetry StructureDefinition/us-core-observation-pregnancyintent StructureDefinition/us-core-bmi StructureDefinition/us-core-observation-lab StructureDefinition/head-occipital-frontal-circumference-percentile StructureDefinition/us-core-vital-signs StructureDefinition/us-core-simple-observation StructureDefinition/us-core-head-circumference StructureDefinition/us-core-heart-rate StructureDefinition/us-core-body-height StructureDefinition/us-core-smokingstatus StructureDefinition/us-core-care-experience-preference StructureDefinition/us-core-observation-clinical-result StructureDefinition/us-core-observation-screening-assessment StructureDefinition/us-core-respiratory-rate StructureDefinition/us-core-body-temperature StructureDefinition/pediatric-weight-for-height StructureDefinition/us-core-observation-pregnancystatus StructureDefinition/us-core-body-weight StructureDefinition/us-core-observation-occupation StructureDefinition/us-core-average-blood-pressure StructureDefinition/us-core-treatment-intervention-preference StructureDefinition/us-core-observation-sexual-orientation StructureDefinition/us-core-blood-pressure	FHIR
124	ObservationStatus	StructureDefinition/pediatric-bmi-for-age StructureDefinition/us-core-pulse-oximetry StructureDefinition/us-core-care-experience-preference StructureDefinition/us-core-observation-pregnancyintent StructureDefinition/us-core-bmi StructureDefinition/us-core-observation-lab StructureDefinition/head-occipital-frontal-circumference-percentile StructureDefinition/us-core-observation-clinical-result StructureDefinition/us-core-respiratory-rate StructureDefinition/us-core-body-temperature StructureDefinition/us-core-observation-screening-assessment StructureDefinition/us-core-vital-signs StructureDefinition/us-core-simple-observation StructureDefinition/pediatric-weight-for-height StructureDefinition/us-core-head-circumference StructureDefinition/us-core-heart-rate StructureDefinition/us-core-observation-pregnancystatus StructureDefinition/us-core-body-weight StructureDefinition/us-core-observation-occupation StructureDefinition/us-core-average-blood-pressure StructureDefinition/us-core-treatment-intervention-preference StructureDefinition/us-core-observation-sexual-orientation StructureDefinition/us-core-body-height StructureDefinition/us-core-blood-pressure	FHIR
125	Occupation ONETSOC Detail (ODH)	StructureDefinition/us-core-observation-occupation	PHINVADS
126	Organization type	StructureDefinition/us-core-organization	FHIR
127	Other or unknown or refused to answer	ValueSet/detailed-ethnicity ValueSet/detailed-race	VSAC
128	Participant Roles	StructureDefinition/us-core-servicerequest	FHIR
129	Participant type	StructureDefinition/us-core-encounter	FHIR
130	Patient Contact Relationship	StructureDefinition/us-core-patient	FHIR
131	Patient relationship type	StructureDefinition/us-core-relatedperson	FHIR
132	Payer Type	StructureDefinition/us-core-coverage	VSAC
133	Practice Setting Code Value Set	StructureDefinition/us-core-documentreference	FHIR
134	Pregnancy Intention	ValueSet/us-core-pregnancy-intent	VSAC
135	Procedure Category Codes (SNOMED CT)	StructureDefinition/us-core-procedure	FHIR
136	Procedure Codes (SNOMED CT)	StructureDefinition/us-core-careplan	FHIR
137	Procedure Device Action Codes	StructureDefinition/us-core-procedure	FHIR
138	Procedure Follow up Codes (SNOMED CT)	StructureDefinition/us-core-procedure	FHIR
139	Procedure Not Performed Reason (SNOMED-CT)	StructureDefinition/us-core-procedure	FHIR
140	Procedure Outcome Codes (SNOMED CT)	StructureDefinition/us-core-procedure	FHIR
141	Procedure Performer Role Codes	StructureDefinition/us-core-medicationrequest StructureDefinition/us-core-procedure	FHIR
142	Provenance activity type	StructureDefinition/us-core-provenance	FHIR
143	Provenance participant type	StructureDefinition/us-core-provenance	FHIR
144	ProvenanceEntityRole	StructureDefinition/us-core-provenance	FHIR
145	PurposeOfUse	StructureDefinition/us-core-provenance	THO
146	QuantityComparator	StructureDefinition/pediatric-bmi-for-age StructureDefinition/us-core-pulse-oximetry StructureDefinition/us-core-bmi StructureDefinition/head-occipital-frontal-circumference-percentile StructureDefinition/us-core-respiratory-rate StructureDefinition/us-core-body-temperature StructureDefinition/pediatric-weight-for-height StructureDefinition/us-core-head-circumference StructureDefinition/us-core-heart-rate StructureDefinition/us-core-body-weight StructureDefinition/us-core-average-blood-pressure StructureDefinition/us-core-body-height StructureDefinition/us-core-blood-pressure	FHIR
147	Questionnaire Answer Codes	StructureDefinition/us-core-questionnaireresponse	FHIR
148	QuestionnaireResponseStatus	StructureDefinition/us-core-questionnaireresponse	FHIR
149	Race	ValueSet/omb-race-category	VSAC
150	Race Value Set	ValueSet/detailed-race	VSAC
151	Request priority	StructureDefinition/us-core-medicationrequest StructureDefinition/us-core-servicerequest	FHIR
152	RequestIntent	StructureDefinition/us-core-servicerequest	FHIR
153	RequestStatus	StructureDefinition/us-core-careplan StructureDefinition/us-core-servicerequest	FHIR
154	ResourceType	StructureDefinition/us-core-provenance	FHIR
155	SNOMED CT Additional Dosage Instructions	StructureDefinition/us-core-medicationrequest StructureDefinition/us-core-medicationdispense	FHIR
156	SNOMED CT Administration Method Codes	StructureDefinition/us-core-medicationrequest StructureDefinition/us-core-medicationdispense	FHIR
157	SNOMED CT Anatomical Structure for Administration Site Codes	StructureDefinition/us-core-medicationrequest StructureDefinition/us-core-medicationdispense	FHIR
158	SNOMED CT Body Structures	StructureDefinition/us-core-specimen StructureDefinition/pediatric-bmi-for-age StructureDefinition/us-core-pulse-oximetry StructureDefinition/us-core-observation-pregnancyintent StructureDefinition/us-core-procedure StructureDefinition/us-core-bmi StructureDefinition/us-core-observation-lab StructureDefinition/head-occipital-frontal-circumference-percentile StructureDefinition/us-core-vital-signs StructureDefinition/us-core-servicerequest StructureDefinition/us-core-simple-observation StructureDefinition/us-core-head-circumference StructureDefinition/us-core-heart-rate StructureDefinition/us-core-body-height StructureDefinition/us-core-smokingstatus StructureDefinition/us-core-care-experience-preference StructureDefinition/us-core-observation-clinical-result StructureDefinition/us-core-observation-screening-assessment StructureDefinition/us-core-respiratory-rate StructureDefinition/us-core-body-temperature StructureDefinition/us-core-condition-encounter-diagnosis StructureDefinition/pediatric-weight-for-height StructureDefinition/us-core-condition-problems-health-concerns StructureDefinition/us-core-observation-pregnancystatus StructureDefinition/us-core-body-weight StructureDefinition/us-core-observation-occupation StructureDefinition/us-core-average-blood-pressure StructureDefinition/us-core-treatment-intervention-preference StructureDefinition/us-core-observation-sexual-orientation StructureDefinition/us-core-blood-pressure	FHIR
159	SNOMED CT Clinical Findings	StructureDefinition/us-core-diagnosticreport-note StructureDefinition/us-core-diagnosticreport-lab StructureDefinition/us-core-careteam StructureDefinition/us-core-goal StructureDefinition/us-core-careplan StructureDefinition/us-core-allergyintolerance	FHIR
160	SNOMED CT Form Codes	StructureDefinition/us-core-medication	FHIR
161	SNOMED CT Medication As Needed Reason Codes	StructureDefinition/us-core-medicationrequest StructureDefinition/us-core-medicationdispense StructureDefinition/us-core-servicerequest	FHIR
162	SNOMED CT Medication Codes	StructureDefinition/us-core-careplan	FHIR
163	SNOMED CT Route Codes	StructureDefinition/us-core-medicationrequest StructureDefinition/us-core-medicationdispense StructureDefinition/us-core-allergyintolerance	FHIR
164	SecurityLabels	StructureDefinition/us-core-diagnosticreport-lab StructureDefinition/us-core-condition-problems-health-concerns StructureDefinition/us-core-documentreference StructureDefinition/us-core-encounter StructureDefinition/us-core-observation-lab	FHIR
165	SecurityRoleType	StructureDefinition/us-core-provenance	FHIR
166	Service Request Category Codes	ValueSet/us-core-servicerequest-category StructureDefinition/us-core-servicerequest	FHIR
167	Service Request Order Details Codes	StructureDefinition/us-core-servicerequest	FHIR
168	Service type	StructureDefinition/us-core-encounter	FHIR
169	ServiceDeliveryLocationRoleType	StructureDefinition/us-core-location StructureDefinition/us-core-servicerequest	THO
170	Sex	StructureDefinition/us-core-sex	VSAC
171	Sexual Orientation Including nulls and Data Absent Reason	StructureDefinition/us-core-observation-sexual-orientation	VSAC
172	Smoking Status Type	StructureDefinition/us-core-smokingstatus	VSAC
173	Smoking status comprehensive	StructureDefinition/us-core-smokingstatus	VSAC
174	Special arrangements	StructureDefinition/us-core-encounter	FHIR
175	Special courtesy	StructureDefinition/us-core-encounter	FHIR
176	Specimen Container Type	StructureDefinition/us-core-specimen	FHIR
177	Specimen processing procedure	StructureDefinition/us-core-specimen	FHIR
178	Specimen type	StructureDefinition/us-core-specimen	VSAC
179	SpecimenStatus	StructureDefinition/us-core-specimen	FHIR
180	SubscriberPolicyholder Relationship Codes	StructureDefinition/us-core-coverage	FHIR
181	Substance Code	StructureDefinition/us-core-allergyintolerance	FHIR
182	SubstanceAdminSubstitutionReason	StructureDefinition/us-core-medicationrequest StructureDefinition/us-core-medicationdispense	THO
183	TribalEntityUS	StructureDefinition/us-core-tribal-affiliation	THO
184	UDIEntryType	StructureDefinition/us-core-implantable-device	FHIR
185	US Core Clinical Note Type	StructureDefinition/us-core-documentreference	US CORE
186	US Core Clinical Result Observation Category	StructureDefinition/us-core-observation-lab StructureDefinition/us-core-observation-clinical-result	US CORE
187	US Core Condition Codes	StructureDefinition/us-core-medicationrequest StructureDefinition/us-core-condition-problems-health-concerns StructureDefinition/us-core-procedure StructureDefinition/us-core-servicerequest StructureDefinition/us-core-condition-encounter-diagnosis	US CORE
188	US Core Diagnostic Report Category Codes	StructureDefinition/us-core-diagnosticreport-note	US CORE
189	US Core Discharge Disposition	StructureDefinition/us-core-encounter	US CORE
190	US Core DocumentReference Category	StructureDefinition/us-core-documentreference	US CORE
191	US Core DocumentReference Type	StructureDefinition/us-core-documentreference	US CORE
192	US Core Encounter Type	StructureDefinition/us-core-encounter	US CORE
193	US Core Goal Codes	StructureDefinition/us-core-goal	US CORE
194	US Core Laboratory Test Codes	StructureDefinition/us-core-diagnosticreport-lab StructureDefinition/us-core-observation-lab	US CORE
195	US Core Narrative Status	StructureDefinition/us-core-careplan	US CORE
196	US Core Non Laboratory Codes	StructureDefinition/us-core-diagnosticreport-note	US CORE
197	US Core Pregnancy Intent Codes	StructureDefinition/us-core-observation-pregnancyintent	US CORE
198	US Core Pregnancy Status Codes	StructureDefinition/us-core-observation-pregnancystatus	US CORE
199	US Core Problem or Health Concern	StructureDefinition/us-core-condition-problems-health-concerns	US CORE
200	US Core Procedure Codes	StructureDefinition/us-core-procedure StructureDefinition/us-core-servicerequest	US CORE
201	US Core Provenance Participant Type Codes	StructureDefinition/us-core-provenance	US CORE
202	US Core Screening Assessment Condition Category	StructureDefinition/us-core-condition-problems-health-concerns	US CORE
203	US Core Screening Assessment Observation Category	StructureDefinition/us-core-observation-screening-assessment	US CORE
204	US Core ServiceRequest Category Codes	StructureDefinition/us-core-servicerequest	US CORE
205	US Core Simple Observation Category	StructureDefinition/us-core-simple-observation	US CORE
206	US Core Status for Smoking Status Observation	StructureDefinition/us-core-smokingstatus	US CORE
207	US Core Survey Codes	StructureDefinition/us-core-observation-screening-assessment	US CORE
208	USPS Two Letter Alphabetic Codes	StructureDefinition/us-core-practitioner StructureDefinition/us-core-patient StructureDefinition/us-core-location StructureDefinition/us-core-organization StructureDefinition/us-core-jurisdiction	US CORE
209	UnitsOfMeasureCaseSensitive	StructureDefinition/us-core-smokingstatus	THO
210	Unknown or refused to answer	ValueSet/omb-ethnicity-category ValueSet/omb-race-category	VSAC
211	Vital Sign Result Type	StructureDefinition/pediatric-bmi-for-age StructureDefinition/us-core-pulse-oximetry StructureDefinition/us-core-bmi StructureDefinition/head-occipital-frontal-circumference-percentile StructureDefinition/us-core-respiratory-rate StructureDefinition/us-core-body-temperature StructureDefinition/us-core-vital-signs StructureDefinition/pediatric-weight-for-height StructureDefinition/us-core-head-circumference StructureDefinition/us-core-heart-rate StructureDefinition/us-core-body-weight StructureDefinition/us-core-body-height StructureDefinition/us-core-blood-pressure	VSAC
212	Vital Signs Units	StructureDefinition/pediatric-bmi-for-age StructureDefinition/us-core-pulse-oximetry StructureDefinition/us-core-bmi StructureDefinition/head-occipital-frontal-circumference-percentile StructureDefinition/us-core-respiratory-rate StructureDefinition/us-core-body-temperature StructureDefinition/us-core-vital-signs StructureDefinition/pediatric-weight-for-height StructureDefinition/us-core-head-circumference StructureDefinition/us-core-heart-rate StructureDefinition/us-core-body-weight StructureDefinition/us-core-body-height StructureDefinition/us-core-blood-pressure	FHIR
213	hl7VS-additivePreservative	StructureDefinition/us-core-specimen	THO
214	hl7VS-bedStatus	StructureDefinition/us-core-location	THO
215	hl7VS-re-admissionIndicator	StructureDefinition/us-core-encounter	THO
216	hl7VS-relevantClincialInformation	StructureDefinition/us-core-specimen	THO
217	hl7VS-specimenCondition	StructureDefinition/us-core-specimen	THO
218	null	StructureDefinition/us-core-medicationrequest StructureDefinition/us-core-medicationdispense	FHIR
219	v2 table 0360	FHIR Value set/code system definition for HL7 v2 table 0360 ver 2.9 ( Degree/License/Certificate)	THO
220	v3 Code System ActCode	StructureDefinition/us-core-documentreference	THO

Code Systems

See the FHIR terminology section for a complete discussion on code systems and a list of code system names used in FHIR. Most code systems used in this guide are defined in the base FHIR specification. However, the following code systems are unique to this guide and not listed in the base FHIR specification. If a URI is listed here, it SHALL be used in the US Core profiles to identify the code system in preference to any other code system URI.

Code systems published in this IG*- Includes US Core defined code systems and externally defined code systems

• US Core CarePlan Category Extension Codes
• US Core Category
• US Core Condition Category Extension Codes
• US Core DocumentReferences Category Codes
• US Core Provenance Participant Type Extension Codes

Externally Published code systems

URI	Source	Comment	OID (for non-FHIR systems)
https://www.cms.gov/Medicare/Coding/HCPCSReleaseCodeSets	CMS	Healthcare Common Procedure Coding System (HCPCS) Level II alphanumeric codes	2.16.840.1.113883.6.285
http://www.cms.gov/Medicare/Coding/ICD10	CMS	International Classification of Diseases, 10th Revision, Procedure Coding System (ICD-10-PCS) - See ICD-10 PCS Codes for online access to codes for general information purposes.	2.16.840.1.113883.6.4
http://www.ada.org/cdt	ADA	Code on Dental Procedures and Nomenclature	2.16.840.1.113883.6.13
https://www.usps.com	USPS	United States Postal Service Two–Letter State and Possession Abbreviations	2.16.840.1.113883.6.92

Code System Used in US Core

The following table lists all the CodeSystems used in US Core and where they can be found. This information is also available as a csv or excel file.

Code System Sources:

• FHIR
• US CORE
• THO
• SNOMED
• LOINC
• UCUM
• CDC
• Code systems published by other standards organizations

Row #	Code System	Code System URI	Value Sets Where Used	Source
1	AHA NUBC Patient Discharge Status Codes	https://www.nubc.org/CodeSystem/PatDischargeStatus	ValueSet/us-core-discharge-disposition	Other
2	ActCode	http://terminology.hl7.org/CodeSystem/v3-ActCode	ValueSet/v3-ActPharmacySupplyType ValueSet/v3-ActCode ValueSet/provenance-activity-type ValueSet/v3-ActEncounterCode	THO
3	ActPriority	http://terminology.hl7.org/CodeSystem/v3-ActPriority	ValueSet/v3-ActPriority	THO
4	ActReason	http://terminology.hl7.org/CodeSystem/v3-ActReason	ValueSet/v3-PurposeOfUse ValueSet/immunization-status-reason ValueSet/v3-SubstanceAdminSubstitutionReason	THO
5	ActSite	http://terminology.hl7.org/CodeSystem/v3-ActSite	ValueSet/immunization-site	THO
6	AddressType	http://hl7.org/fhir/address-type	ValueSet/address-type	FHIR
7	AddressUse	http://hl7.org/fhir/address-use	ValueSet/address-use	FHIR
8	AdministrativeGender	http://hl7.org/fhir/administrative-gender	ValueSet/administrative-gender	FHIR
9	Admit source	http://terminology.hl7.org/CodeSystem/admit-source	ValueSet/encounter-admit-source	THO
10	AllergyIntolerance Clinical Status Codes	http://terminology.hl7.org/CodeSystem/allergyintolerance-clinical	ValueSet/allergyintolerance-clinical	THO
11	AllergyIntolerance Verification Status	http://terminology.hl7.org/CodeSystem/allergyintolerance-verification	ValueSet/allergyintolerance-verification	THO
12	AllergyIntoleranceCategory	http://hl7.org/fhir/allergy-intolerance-category	ValueSet/allergy-intolerance-category	FHIR
13	AllergyIntoleranceCriticality	http://hl7.org/fhir/allergy-intolerance-criticality	ValueSet/allergy-intolerance-criticality	FHIR
14	AllergyIntoleranceSeverity	http://hl7.org/fhir/reaction-event-severity	ValueSet/reaction-event-severity	FHIR
15	AllergyIntoleranceType	http://hl7.org/fhir/allergy-intolerance-type	ValueSet/allergy-intolerance-type	FHIR
16	CarePlanActivityStatus	http://hl7.org/fhir/care-plan-activity-status	ValueSet/care-plan-activity-status	FHIR
17	CareTeamStatus	http://hl7.org/fhir/care-team-status	ValueSet/care-team-status	FHIR
18	Code on Dental Procedures and Nomenclature	http://www.ada.org/cdt	ValueSet/us-core-procedure-code	Other
19	Common Tags	http://terminology.hl7.org/CodeSystem/common-tags	ValueSet/common-tags	THO
20	CompositionStatus	http://hl7.org/fhir/composition-status	ValueSet/composition-status	FHIR
21	Condition Category Codes	http://terminology.hl7.org/CodeSystem/condition-category	ValueSet/condition-category ValueSet/us-core-problem-or-health-concern	THO
22	Condition Clinical Status Codes	http://terminology.hl7.org/CodeSystem/condition-clinical	ValueSet/condition-clinical	THO
23	ConditionVerificationStatus	http://terminology.hl7.org/CodeSystem/condition-ver-status	ValueSet/condition-ver-status	THO
24	Contact entity type	http://terminology.hl7.org/CodeSystem/contactentity-type	ValueSet/contactentity-type	THO
25	ContactPointSystem	http://hl7.org/fhir/contact-point-system	ValueSet/contact-point-system	FHIR
26	ContactPointUse	http://hl7.org/fhir/contact-point-use	ValueSet/contact-point-use	FHIR
27	Contract Signer Type Codes	http://terminology.hl7.org/CodeSystem/contractsignertypecodes	ValueSet/security-role-type	THO
28	Coverage Class Codes	http://terminology.hl7.org/CodeSystem/coverage-class	ValueSet/coverage-class	THO
29	Coverage Copay Type Codes	http://terminology.hl7.org/CodeSystem/coverage-copay-type	ValueSet/coverage-copay-type	THO
30	Current Procedural Terminology (CPT®)	http://www.ama-assn.org/go/cpt	ValueSet/us-core-encounter-type ValueSet/us-core-procedure-code	Other
31	DataAbsentReason	http://terminology.hl7.org/CodeSystem/data-absent-reason	ValueSet/data-absent-reason	THO
32	DataOperation	http://terminology.hl7.org/CodeSystem/v3-DataOperation	ValueSet/provenance-activity-type	THO
33	DaysOfWeek	http://hl7.org/fhir/days-of-week	ValueSet/days-of-week	FHIR
34	DeviceNameType	http://hl7.org/fhir/device-nametype	ValueSet/device-nametype	FHIR
35	Diagnosis Role	http://terminology.hl7.org/CodeSystem/diagnosis-role	ValueSet/diagnosis-role	THO
36	DiagnosticReportStatus	http://hl7.org/fhir/diagnostic-report-status	ValueSet/diagnostic-report-status	FHIR
37	Diet	http://terminology.hl7.org/CodeSystem/diet	ValueSet/encounter-diet	THO
38	DocumentCompletion	http://terminology.hl7.org/CodeSystem/v3-DocumentCompletion	ValueSet/provenance-activity-type	THO
39	DocumentReferenceStatus	http://hl7.org/fhir/document-reference-status	ValueSet/document-reference-status	FHIR
40	DocumentRelationshipType	http://hl7.org/fhir/document-relationship-type	ValueSet/document-relationship-type	FHIR
41	DoseAndRateType	http://terminology.hl7.org/CodeSystem/dose-rate-type	ValueSet/dose-rate-type	THO
42	EncounterLocationStatus	http://hl7.org/fhir/encounter-location-status	ValueSet/encounter-location-status	FHIR
43	EncounterSpecialCourtesy	http://terminology.hl7.org/CodeSystem/v3-EncounterSpecialCourtesy	ValueSet/encounter-special-courtesy	THO
44	EncounterStatus	http://hl7.org/fhir/encounter-status	ValueSet/encounter-status	FHIR
45	EventStatus	http://hl7.org/fhir/event-status	ValueSet/immunization-status ValueSet/event-status	FHIR
46	Example Coverage Financial Exception Codes	http://terminology.hl7.org/CodeSystem/ex-coverage-financial-exception	ValueSet/coverage-financial-exception	THO
47	FHIRDeviceStatus	http://hl7.org/fhir/device-status	ValueSet/device-status	FHIR
48	FHIRDeviceStatusReason	http://terminology.hl7.org/CodeSystem/device-status-reason	ValueSet/device-status-reason	THO
49	Financial Resource Status Codes	http://hl7.org/fhir/fm-status	ValueSet/fm-status	FHIR
50	Goal achievement status	http://terminology.hl7.org/CodeSystem/goal-achievement	ValueSet/goal-achievement	THO
51	Goal category	http://terminology.hl7.org/CodeSystem/goal-category	ValueSet/goal-category	THO
52	Goal priority	http://terminology.hl7.org/CodeSystem/goal-priority	ValueSet/goal-priority	THO
53	GoalLifecycleStatus	http://hl7.org/fhir/goal-status	ValueSet/goal-status	FHIR
54	HL7 Document Format Codes	http://terminology.hl7.org/CodeSystem/v3-HL7DocumentFormatCodes	ValueSet/v3-HL7FormatCodes	THO
55	Healthcare Common Procedure Coding System (HCPCS) level II alphanumeric codes	https://www.cms.gov/Medicare/Coding/HCPCSReleaseCodeSets	ValueSet/us-core-procedure-code	Other
56	ICD-10 Procedure Codes	http://www.cms.gov/Medicare/Coding/ICD10	ValueSet/us-core-procedure-code	Other
57	IdentifierUse	http://hl7.org/fhir/identifier-use	ValueSet/identifier-use	FHIR
58	Immunization Funding Source	http://terminology.hl7.org/CodeSystem/immunization-funding-source	ValueSet/immunization-funding-source	THO
59	Immunization Origin Codes	http://terminology.hl7.org/CodeSystem/immunization-origin	ValueSet/immunization-origin	THO
60	Immunization Program Eligibility	http://terminology.hl7.org/CodeSystem/immunization-program-eligibility	ValueSet/immunization-program-eligibility	THO
61	Immunization Subpotent Reason	http://terminology.hl7.org/CodeSystem/immunization-subpotent-reason	ValueSet/immunization-subpotent-reason	THO
62	International Classification of Diseases	http://hl7.org/fhir/sid/icd-10-cm	Clinical Modification (ICD-10-CM)	CDC
63	LinkType	http://hl7.org/fhir/link-type	ValueSet/link-type	FHIR
64	Location type	http://terminology.hl7.org/CodeSystem/location-physical-type	ValueSet/location-physical-type	THO
65	LocationMode	http://hl7.org/fhir/location-mode	ValueSet/location-mode	FHIR
66	LocationStatus	http://hl7.org/fhir/location-status	ValueSet/location-status	FHIR
67	Logical Observation Identifiers	http://loinc.org	LOINC provides a set of universal names and ID codes for identifying laboratory and clinical test results.1 2 LOINC facilitates the exchange and pooling of results such as blood hemoglobin serum potassium or vital signs for clinical care outcomes management and research. LOINC's universal identifiers (names and codes) can be used in the context of order and observation exchanges between information systems that use syntax standards such as HL73 CEN TC251 ISO TC215 ASTM4 and DICOM. Specifically the identifier can be used as the coded value for an observation in any other standard that uses the observation/observation value paradigm whether messages documents application programming interface (API) etc. For example LOINC codes are used widely in the OBX segment Observation Identifier field (OBX-3) of an ORU HL7 (HL7 version 2.x or ASTM 1238-9410) message that may be sent between a Clinical Laboratory Information Management Systems (LIMS) and Electronic Health Record Systems (EHR).5 6 In this way LOINC codes provide universal identifiers that allow the exchange of clinical data between heterogeneous computing environments.	LOINC
68	MaritalStatus	http://terminology.hl7.org/CodeSystem/v3-MaritalStatus	ValueSet/marital-status	THO
69	Medication status codes	http://hl7.org/fhir/CodeSystem/medication-status	ValueSet/medication-status	FHIR
70	Medication dispense category codes	http://terminology.hl7.org/fhir/CodeSystem/medicationdispense-category	ValueSet/medicationdispense-category	THO
71	Medication dispense status codes	http://terminology.hl7.org/CodeSystem/medicationdispense-status	ValueSet/medicationdispense-status	THO
72	Medication dispense status reason codes	http://terminology.hl7.org/fhir/CodeSystem/medicationdispense-status-reason	ValueSet/medicationdispense-status-reason	THO
73	Medication request intent	http://hl7.org/fhir/CodeSystem/medicationrequest-intent	ValueSet/medicationrequest-intent	FHIR
74	MedicationDispense Performer Function Codes	http://terminology.hl7.org/CodeSystem/medicationdispense-performer-function	ValueSet/medicationdispense-performer-function	THO
75	MedicationRequest Category Codes	http://terminology.hl7.org/CodeSystem/medicationrequest-category	ValueSet/medicationrequest-category	THO
76	MedicationRequest Course of Therapy Codes	http://terminology.hl7.org/CodeSystem/medicationrequest-course-of-therapy	ValueSet/medicationrequest-course-of-therapy	THO
77	MedicationRequest Status Reason Codes	http://terminology.hl7.org/CodeSystem/medicationrequest-status-reason	ValueSet/medicationrequest-status-reason	THO
78	Medicationrequest status	http://hl7.org/fhir/CodeSystem/medicationrequest-status	ValueSet/medicationrequest-status	FHIR
79	NameUse	http://hl7.org/fhir/name-use	ValueSet/name-use	FHIR
80	NarrativeStatus	http://hl7.org/fhir/narrative-status	ValueSet/us-core-narrative-status	FHIR
81	NullFlavor	http://terminology.hl7.org/CodeSystem/v3-NullFlavor	ValueSet/us-core-documentreference-type ValueSet/us-core-pregnancy-intent ValueSet/marital-status ValueSet/encounter-special-courtesy ValueSet/us-core-pregnancy-status	THO
82	Observation Category Codes	http://terminology.hl7.org/CodeSystem/observation-category	ValueSet/us-core-simple-observation-category ValueSet/us-core-clinical-result-observation-category ValueSet/observation-category	THO
83	Observation Reference Range Meaning Codes	http://terminology.hl7.org/CodeSystem/referencerange-meaning	ValueSet/referencerange-meaning	THO
84	ObservationInterpretation	http://terminology.hl7.org/CodeSystem/v3-ObservationInterpretation	ValueSet/observation-interpretation	THO
85	ObservationStatus	http://hl7.org/fhir/observation-status	ValueSet/us-core-observation-smoking-status-status ValueSet/observation-status	FHIR
86	Occupational Data for Health (ODH)	http://terminology.hl7.org/CodeSystem/PHOccupationalDataForHealthODH	ValueSet/2.16.840.1.114222.4.11.7900 ValueSet/2.16.840.1.114222.4.11.7901	THO
87	Organization type	http://terminology.hl7.org/CodeSystem/organization-type	ValueSet/organization-type	THO
88	Participant type	http://terminology.hl7.org/CodeSystem/participant-type	ValueSet/encounter-participant-type	THO
89	ParticipationFunction	http://terminology.hl7.org/CodeSystem/v3-ParticipationFunction	ValueSet/security-role-type	THO
90	ParticipationType	http://terminology.hl7.org/CodeSystem/v3-ParticipationType	ValueSet/security-role-type ValueSet/encounter-participant-type ValueSet/provenance-activity-type	THO
91	Provenance participant type	http://terminology.hl7.org/CodeSystem/provenance-participant-type	ValueSet/provenance-agent-type	THO
92	ProvenanceEntityRole	http://hl7.org/fhir/provenance-entity-role	ValueSet/provenance-entity-role	FHIR
93	QuantityComparator	http://hl7.org/fhir/quantity-comparator	ValueSet/quantity-comparator	FHIR
94	QuestionnaireResponseStatus	http://hl7.org/fhir/questionnaire-answers-status	ValueSet/questionnaire-answers-status	FHIR
95	RequestIntent	http://hl7.org/fhir/request-intent	ValueSet/request-intent ValueSet/care-plan-intent	FHIR
96	RequestPriority	http://hl7.org/fhir/request-priority	ValueSet/request-priority	FHIR
97	RequestStatus	http://hl7.org/fhir/request-status	ValueSet/request-status	FHIR
98	ResourceType	http://hl7.org/fhir/resource-types	ValueSet/resource-types ValueSet/care-plan-activity-kind	FHIR
99	RoleClass	http://terminology.hl7.org/CodeSystem/v3-RoleClass	ValueSet/security-role-type	THO
100	RoleCode	http://terminology.hl7.org/CodeSystem/v3-RoleCode	ValueSet/security-role-type ValueSet/relatedperson-relationshiptype ValueSet/v3-ServiceDeliveryLocationRoleType	THO
101	RouteOfAdministration	http://terminology.hl7.org/CodeSystem/v3-RouteOfAdministration	ValueSet/immunization-route	THO
102	SNOMED CT (all versions)	http://snomed.info/sct	ValueSet/servicerequest-category ValueSet/specimen-container-type ValueSet/2.16.840.1.113762.1.4.1099.54 ValueSet/procedure-followup ValueSet/us-core-goal-description ValueSet/specimen-collection-method ValueSet/medication-form-codes ValueSet/body-site ValueSet/manifestation-or-symptom ValueSet/procedure-code ValueSet/goal-start-event ValueSet/medication-as-needed-reason ValueSet/c80-facilitycodes ValueSet/2.16.840.1.113762.1.4.1267.3 ValueSet/immunization-reason ValueSet/substance-code ValueSet/simple-observation ValueSet/care-plan-category ValueSet/us-core-procedure-code ValueSet/observation-methods ValueSet/questionnaire-answers ValueSet/servicerequest-orderdetail ValueSet/us-core-encounter-type ValueSet/clinical-findings ValueSet/condition-stage ValueSet/immunization-target-disease ValueSet/encounter-reason ValueSet/participant-role ValueSet/additional-instruction-codes ValueSet/us-core-observation-value-codes ValueSet/approach-site-codes ValueSet/device-action ValueSet/us-core-condition-code ValueSet/medication-codes ValueSet/device-kind ValueSet/performer-role ValueSet/us-core-servicerequest-category ValueSet/c80-practice-codes ValueSet/referencerange-appliesto ValueSet/route-codes ValueSet/procedure-outcome ValueSet/care-plan-activity-outcome ValueSet/procedure-category ValueSet/condition-code ValueSet/condition-stage-type ValueSet/immunization-status-reason ValueSet/procedure-not-performed-reason ValueSet/administration-method-codes ValueSet/condition-severity	SNOMED
103	Security Role Type	http://terminology.hl7.org/CodeSystem/extra-security-role-type	ValueSet/security-role-type	THO
104	Service type	http://terminology.hl7.org/CodeSystem/service-type	ValueSet/service-type	THO
105	Source of Payment Typology	https://nahdo.org/sopt	ValueSet/2.16.840.1.114222.4.11.3591	Other
106	Special arrangements	http://terminology.hl7.org/CodeSystem/encounter-special-arrangements	ValueSet/encounter-special-arrangements	THO
107	SpecimenStatus	http://hl7.org/fhir/specimen-status	ValueSet/specimen-status	FHIR
108	SubscriberPolicyholder Relationship Codes	http://terminology.hl7.org/CodeSystem/subscriber-relationship	ValueSet/subscriber-relationship	THO
109	Substance Admin Substitution	http://terminology.hl7.org/CodeSystem/v3-substanceAdminSubstitution	ValueSet/v3-ActSubstanceAdminSubstitutionCode	THO
110	Tags for the Identification of Languages	urn:ietf:bcp:47	ValueSet/languages ValueSet/simple-language	Other
111	TribalEntityUS	http://terminology.hl7.org/CodeSystem/v3-TribalEntityUS	ValueSet/v3-TribalEntityUS	THO
112	UDIEntryType	http://hl7.org/fhir/udi-entry-type	ValueSet/udi-entry-type	FHIR
113	US Core Category	http://hl7.org/fhir/us/core/CodeSystem/us-core-category	ValueSet/us-core-screening-assessment-observation-category ValueSet/us-core-simple-observation-category ValueSet/us-core-servicerequest-category ValueSet/us-core-screening-assessment-condition-category	US CORE
114	US Core Condition Category Extension Codes	http://hl7.org/fhir/us/core/CodeSystem/condition-category	ValueSet/us-core-problem-or-health-concern	US CORE
115	US Core DocumentReferences Category Codes	http://hl7.org/fhir/us/core/CodeSystem/us-core-documentreference-category	ValueSet/us-core-documentreference-category	US CORE
116	US Core Provenance Participant Type Extension Codes	http://hl7.org/fhir/us/core/CodeSystem/us-core-provenance-participant-type	ValueSet/us-core-provenance-participant-type	US CORE
117	Unified Code for Units of Measure (UCUM)	http://unitsofmeasure.org	ValueSet/ucum-bodyweight ValueSet/ucum-bodytemp ValueSet/ucum-common ValueSet/ucum-vitals-common ValueSet/ucum-bodylength ValueSet/v3-UnitsOfMeasureCaseSensitive	UCUM
118	Vaccine Administered Code Set (CVX)	http://hl7.org/fhir/sid/cvx	ValueSet/2.16.840.1.113762.1.4.1010.6	CDC
119	additivePreservative	http://terminology.hl7.org/CodeSystem/v2-0371	ValueSet/v2-0371	THO
120	bedStatus	http://terminology.hl7.org/CodeSystem/v2-0116	ValueSet/v2-0116	THO
121	contactRole2	http://terminology.hl7.org/CodeSystem/v2-0131	ValueSet/relatedperson-relationshiptype ValueSet/patient-contactrelationship	THO
122	diagnosticServiceSectionId	http://terminology.hl7.org/CodeSystem/v2-0074	ValueSet/diagnostic-service-sections	THO
123	identifierType	http://terminology.hl7.org/CodeSystem/v2-0203	ValueSet/identifier-type	THO
124	null	http://dicom.nema.org/resources/ontology/DCM	ValueSet/security-role-type	Other
125	providerRole	http://terminology.hl7.org/CodeSystem/v2-0443	ValueSet/immunization-function	THO
126	re-admissionIndicator	http://terminology.hl7.org/CodeSystem/v2-0092	ValueSet/v2-0092	THO
127	relevantClincialInformation	http://terminology.hl7.org/CodeSystem/v2-0916	ValueSet/v2-0916	THO
128	specimenCondition	http://terminology.hl7.org/CodeSystem/v2-0493	ValueSet/v2-0493	THO
129	treatment	http://terminology.hl7.org/CodeSystem/v2-0373	ValueSet/specimen-processing-procedure	THO

The Value Set Authority Center (VSAC)

This guide links terminology directly to the FHIR® Terminology Service for VSAC Resources (Value Set Authority Center (VSAC)), where applicable, using a RESTful API service to access the VSAC value sets and supported code systems. See the table above for a list of value sets used in US Core that VSAC defines.

How to Acess Value Sets in VSAC

• VSAC requires login using your own UMLS API Key to view the value sets. VSAC UMLS Licensing information. (See the screenshots below)
• The value sets in VSAC are specified using a VSAC value set OID.

• To view the value set expansion in the VSAC user interface, use:

  GET https://vsac.nlm.nih.gov/ValueSet/[VSAC OID]/expansion

  An example of this is shown in the screenshots below.

• To fetch the FHIR ValueSet resource (in other words, the value set definition), use:

  GET https://cts.nlm.nih.gov/fhir/ValueSet/[VSAC OID]

• To fetch the FHIR ValueSet resource expansion, use the FHIR $expand operation:

  GET https://cts.nlm.nih.gov/fhir/ValueSet/[VSAC OID]/$expand

For more information, refer to the FHIR Terminology Service for VSAC Resources

For example, the US Core Smoking Status Observation Profile valueCodeableConcept element has a preferred binding to the Smoking Status value set. To access it in VSAC, click on the link to https://vsac.nlm.nih.gov/valueset/2.16.840.1.113883.11.20.9.38/expansion:

The reader is redirected to the VSAC login page to enter an API Key (only one login is required per session):

After successfully entering the API Key, the value set can be inspected, downloaded, etc., using the VSAC User interface, as shown in the figure below. This FHIR ValueSet resource can also be fetched using the URL https://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113883.11.20.9.38, and the FHIR ValueSet expansion using the URL https://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113883.11.20.9.38/$expand.