Unattributed Code Systems

• http://unstats.un.org/unsd/methods/m49/m49.htm

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Copyright and Registered Trademark Uses

• IG © 2026+ cqframework. Package cms.madie#2026.1.0 based on FHIR 4.0.1. Generated 2026-07-30 Links: Table of Contents | QA Report | Version History | License ( src )
• hl7.fhir.us.hai: Healthcare Associated Infection Implementation Guide ®© HL7 | CC0 ( src )
• /* @description: Converts the given FHIR [CodeableConcept](https://hl7.org/fhir/datatypes.html#CodeableConcept) value to a CQL Concept. */ define function ToConcept(concept FHIR.CodeableConcept): if concept is null then null else System.Concept { codes: concept.coding C return ToCode(C), display: concept.text.value } ( src )
• /* Draft CQL representation of Hospital Onset Bacteremia and Fungemia Surveillance Measure */ library HOB using FHIR version '4.0.1' include hl7.fhir.uv.cql.FHIRHelpers version '4.0.1' called FHIRHelpers include hl7.fhir.uv.cql.FHIRCommon version '2.0.0' called FHIRCommon include CQMCommon version '5.1.000' called CQMCommon include HOBOrganismTaxonomy valueset "Bacteria and Fungi - HOB Specific": 'https://example.org/fhir/ValueSet/bacteria-and-fungi-hob-specific' valueset "Bacterial Skin Commensals": 'http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.114222.24.7.281' version '20240918' // Was 20241003, verify valueset "Community-associated Organisms - HOB Specific": 'http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.114222.24.7.1170' version '20250930' valueset "Bacterial and Fungal Blood Culture Tests": 'http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113762.1.4.1190.63' version '20220721' valueset "Enteral Medication Route": 'http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113762.1.4.1190.74' version '20240618' valueset "Intravenous Medication Route": 'http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113762.1.4.1190.75' version '20240618' valueset "Specimen Type - Blood": 'http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.114222.24.7.315' version '20250929' valueset "Absolute Neutrophils": 'http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.114222.24.7.1173' version '20250913' valueset "Antimicrobial Medications - I.V Antibacterials": 'http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.114222.24.7.1220' version '20260122' valueset "Antimicrobial Medications - Oral Antibacterials": 'http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.114222.24.7.1220' version '20250813' valueset "Antimicrobials for Bacteremia and Fungemia Surveillance Module": 'http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.114222.24.7.1220' version '20260205' parameter "Measurement Period" Interval<DateTime> default Interval[@2026-01-01T00:00:00.0, @2026-01-31T23:59:59.999] context Patient /* ED/OBS encounter: Any patient visit to an emergency department (ED) or observation (OBS) location. One patient visit equals one encounter. ED/OBS are considered outpatient locations. Hospital Stay: NHSN defines a hospital stay to be inclusive of any: (a) ED/OBS encounters, (b) inpatient admissions, or (c) ED/OBS encounters that lead to inpatient admissions (within 1 hour of ED/OBS encounters). Inpatient admission: For NHSN reporting purposes, the ‘date admitted to the facility’ is hospital day (HD) 1. NHSN defines an inpatient as any patient cared for or housed on an inpatient location. Local status may differ from NHSN definition; all days spent in an inpatient unit, regardless of local admission status and/or billing status are included in the counts of admissions and inpatient days. For NHSN reporting purposes, the date admitted to the facility is the calendar date that the patient physically locates to an inpatient location. Measurement Period: Time period selected for report generation/metric calculation Adult: Patients who are ≥18 years old on the calendar day of the start of the Hospital Stay Pediatric: Patients who are < 18 years old on the calendar day of the start of the Hospital Stay NICU: Patients who are housed in a NICU location at the time of index blood culture collection Oncology/Neutropenia: Patient either 1) located in an Oncology ward, or 2) with neutropenia define an absolute neutrophil count (ANC) <1000 cell/microL observed for ≥2 days in a +/- 7-day window period around the index blood culture O-COB: Outpatient Community-onset Bacteremia & Fungemia Event COB: Community-onset Bacteremia & Fungemia Event HOB: Hospital-onset Bacteremia & Fungemia Event */ define "Bacterial and Fungal Blood Culture Test Results": [Observation: "Bacterial and Fungal Blood Culture Tests"] O where O.isLaboratory() and O.isResulted() define "Bacteremia or Fungemia Result": "Bacterial and Fungal Blood Culture Test Results" R where ((R.value as CodeableConcept) in "Bacteria and Fungi - HOB Specific") and not ((R.value as CodeableConcept) in "Bacterial Skin Commensals") define "Bacteremia or Fungemia Result With Specimen": from "Bacteremia or Fungemia Result" R, [Specimen: "Specimen Type - Blood"] S where R.specimen.references(S) return { result: R, specimen: S } // Assertion is that there is never more than one ED/Observation preceding an inpatient stay // i.e. ED -> ED -> Inpatient, ED -> Observation -> ED -> Inpatient, Observation -> Inpatient are all combinations that will never appear // TODO: This does not currently hold for real-world data, need to build encounter normalization logic // Note also that Encounter.classHistory is not defined, so Encounter.hospitalization.location will have a more accurate representation of class over time define "Outpatient Encounter": [Encounter: CQMCommon."Emergency Department Visit"] ED let observationEncounter: First( [Encounter: CQMCommon."Observation Services"] O where O.period starts 1 hour or less on or before end of ED.period sort by start of period ), endOfStay: Coalesce(end of observationEncounter.period, end of ED.period), inpatientEncounter: First( [Encounter: CQMCommon."Encounter Inpatient"] E where E.period starts 1 hour or less on or before endOfStay ) return { edEncounter: ED, observationEncounter: observationEncounter, inpatientEncounter: inpatientEncounter, outpatientStay: Interval[start of ED.period, Coalesce(start of inpatientEncounter.period, endOfStay)], inpatientStay: inpatientEncounter.period } define "Inpatient Encounter": [Encounter: CQMCommon."Encounter Inpatient"] E let observationEncounter: Last( [Encounter: CQMCommon."Observation Services"] O where O.period ends 1 hour or less on or before start of E.period sort by end of period ), visitStart: Coalesce(start of observationEncounter.period, start of E.period), edEncounter: Last( [Encounter: CQMCommon."Emergency Department Visit"] ED where ED.period ends 1 hour or less on or before visitStart sort by end of period ), outpatientStay: if observationEncounter is null and edEncounter is null then null else Interval[Coalesce(start of edEncounter.period, start of observationEncounter.period), start of E.period] return { edEncounter: edEncounter, observationEncounter: observationEncounter, inpatientEncounter: E, outpatientStay: outpatientStay, inpatientStay: E.period } // TODO: USCDI+ Quality/USCDI Gap (Specimen Collection Time) // NOTE: Can we use effectiveTime here rather than Specimen Collection Time define "Encounter With O-COB Result": "Outpatient Encounter" E let results: ( "Bacteremia or Fungemia Result With Specimen" RS where RS.specimen.collection.collected.toInterval() during E.outpatientStay ) where exists (results) return { edEncounter: E.edEncounter, observationEncounter: E.observationEncounter, inpatientEncounter: E.inpatientEncounter, outpatientStay: E.outpatientStay, inpatientStay: E.inpatientStay, indexDate: Min(results R return start of R.specimen.collection.collected.toInterval()), organisms: results R return R.result.value as CodeableConcept } define "Encounter With COB Result": "Inpatient Encounter" E let oCOB: "Encounter With O-COB Result" oCOBEncounter where E.inpatientEncounter.id = oCOBEncounter.inpatientEncounter.id, results: ( "Bacteremia or Fungemia Result With Specimen" RS where RS.specimen.collection.collected.toInterval() during day of Interval[start of E.inpatientStay, start of E.inpatientStay + 3 days] and not exists ( oCOB.organisms O where O.organismMatches(RS.result.value as CodeableConcept) ) ) where exists (results) return { edEncounter: E.edEncounter, observationEncounter: E.observationEncounter, inpatientEncounter: E.inpatientEncounter, outpatientStay: E.outpatientStay, inpatientStay: E.inpatientStay, indexDate: Min(results R return start of R.specimen.collection.collected.toInterval()), organisms: results R return R.result.value as CodeableConcept } define "Encounter With HOB Result": "Inpatient Encounter" E let oCOB: "Encounter With O-COB Result" oCOBEncounter where E.inpatientEncounter.id = oCOBEncounter.inpatientEncounter.id, COB: "Encounter With COB Result" COBEncounter where E.inpatientEncounter.id = COBEncounter.inpatientEncounter.id, // Guard the interval: for stays of 3 days or fewer, start + 4 days is after the // stay end, which would construct an inverted (invalid) interval and error. hospitalOnsetWindow: if duration in days of E.inpatientStay > 3 then Interval[start of E.inpatientStay + 4 days, end of E.inpatientStay] else null as Interval<DateTime>, results: ( "Bacteremia or Fungemia Result With Specimen" RS where RS.specimen.collection.collected.toInterval() during day of hospitalOnsetWindow and not exists ( oCOB.organisms O where O.organismMatches(RS.result.value as CodeableConcept) ) and not exists ( COB.organisms O where O.organismMatches(RS.result.value as CodeableConcept) ) ) where duration in days of E.inpatientStay > 3 and exists (results) return { edEncounter: E.edEncounter, observationEncounter: E.observationEncounter, inpatientEncounter: E.inpatientEncounter, outpatientStay: E.outpatientStay, inpatientStay: E.inpatientStay, indexDate: Min(results R return start of R.specimen.collection.collected.toInterval()), organisms: results R return R.result.value as CodeableConcept } /* Metric: O-COB Prevalence Rate Scoring: Proportion Numerator: Number of outpatient O-COB events occurring within the measurement period Denominator: Number of outpatient (ED/OBS) encounters occurring within the measurement period */ define "Outpatient Encounter During Measurement Period": "Outpatient Encounter" O where O.outpatientStay overlaps "Measurement Period" define "O-COB Prevalence Rate Initial Population": "Outpatient Encounter During Measurement Period" O return O.edEncounter define "O-COB Prevalence Rate Denominator": "Outpatient Encounter During Measurement Period" O return O.edEncounter define "O-COB Prevlanece Rate Numerator": "Encounter With O-COB Result" OCOBEvent where OCOBEvent.indexDate during "Measurement Period" return OCOBEvent.edEncounter /* Metric: Inpatient COB Prevalence Rate Scoring: Proportion Numerator: Number of inpatient COB events occurring within the measurement period Denominator: Number of inpatient stays where at least one of the first three inpatient calendar days falls within the measurement period */ define "Community Eligible Inpatient Encounter During Measurement Period": "Inpatient Encounter" I let communityEligible: Interval[start of I.inpatientStay, Min({ start of I.inpatientStay + 3 days, end of I.inpatientStay })] where communityEligible overlaps "Measurement Period" define "COB Prevalence Rate Initial Population": "Community Eligible Inpatient Encounter During Measurement Period" I return I.inpatientEncounter // Tricky... encounter normalization will address this define "COB Prevalence Rate Denominator": "Community Eligible Inpatient Encounter During Measurement Period" I return I.inpatientEncounter // Tricky... encounter normalization will address this define "COB Prevalence Rate Numerator": "Encounter With COB Result" COBEvent where COBEvent.indexDate during "Measurement Period" return COBEvent.inpatientEncounter /* Metric: HOB Crude Risk Scoring: Proportion Numerator: Number of inpatient stays with at least one HOB event occurring within the measurement period Denominator: Number of inpatient stays where there are any inpatient days eligible for a hosptial-onset event during the measurement period Notes: The denominator for HOB admission risk will include only those inpatient stays who were eligible for an HOB event in the measurement period: 1. Stays where day 4 (or later) of their admission occurred during the measurement period. 2. If an event occurs, then a stay will not be included in the denominator of subsequent measurement periods. */ define "Hospital Eligible Inpatient Encounter During Measurement Period": "Inpatient Encounter" I // Guard the interval: for stays of 3 days or fewer, start + 4 days is after the // stay end, which would construct an inverted (invalid) interval and error. The // conditional also subsumes the duration > 3 eligibility check. let hospitalEligible: if duration in days of I.inpatientStay > 3 then Interval[start of I.inpatientStay + 4 days, end of I.inpatientStay] else null as Interval<DateTime> where hospitalEligible overlaps "Measurement Period" and not exists ( "Encounter With HOB Result" HOBEvent where HOBEvent.inpatientEncounter ~ I.inpatientEncounter and HOBEvent.indexDate before start of "Measurement Period" ) define "HOB Crude Risk Initial Population": "Hospital Eligible Inpatient Encounter During Measurement Period" I return I.inpatientEncounter define "HOB Crude Risk Denominator": "Hospital Eligible Inpatient Encounter During Measurement Period" I return I.inpatientEncounter define "HOB Crude Risk Numerator": "Encounter With HOB Result" HOBEvent where HOBEvent.indexDate during "Measurement Period" return HOBEvent.inpatientEncounter /* Metric: HOB Incidence Density Scoring: Ratio /100.d Numerator: Number of HOB events Denominator: Number of inpatient days eligible for a hospital-onset event during the measurement period Notes: Eligible patient days are defined as: Inpatient day 4 until discharge or index HOB event date */ define "HOB Incidence Density Initial Population": "Hospital Eligible Inpatient Encounter During Measurement Period" I return I.inpatientEncounter define "HOB Incidence Density Denominator": "Hospital Eligible Inpatient Encounter During Measurement Period" I return I.inpatientEncounter define function "HOB Incidence Density Denominator Observation"(encounter Encounter): days between start of encounter.period + 4 days and Min({ ("Encounter With HOB Result" HOBEvent where HOBEvent.inpatientEncounter ~ encounter).single().indexDate, end of encounter.period }) define "HOB Incidence Density Numerator": "Encounter With HOB Result" I return I.inpatientEncounter // Just counting, so return 1 define function "HOB Incidence Density Numerator Observation"(encounter Encounter): 1 ( src )
• Adapted from content published by IHE Copyright (c) 2015 IHE International, Inc . Used here according to the terms of the CC BY 4 License . This CodeSystem constitutes a profile on ISO 8601 , specifying use of its duration definitions for expressing time period ranges. Show Usage * Time Period Ranges: AgeStratifiedExampleAgeGroups ( src )
• This material contains content from LOINC. LOINC is copyright © 1995-2020, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license. LOINC® is a registered United States trademark of Regenstrief Institute, Inc. Show Usage * LOINC: ALTLabTests, ASTLabTests... Show 5 more, AlkalinePhosphatase, NCT01980823EligibilityCriteria, SerumCreatinine, TotalBilirubin and TumorSizeObservations ( src )
• This material derives from the HL7 Terminology (THO). THO is copyright ©1989+ Health Level Seven International and is made available under the CC0 designation. For more licensing information see: https://terminology.hl7.org/license.html Show Usage * LibraryType: AdultOutpatientEncounters, AdvancedIllnessandFrailty... Show 24 more, BreastCancerScreeningDQMDraft, C4BBCommon, CAUTIElements, CAUTIParameters, CAUTIRate, CAUTISIR, HOB, HOBOrganismTaxonomy, Hospice, ImagingStudyFeasibilityTest, Measure/CAUTIRateExample, Measure/CAUTISIRExample, Measure/StratificationEncounterExample, Measure/StratificationPatientExample, Measure/SupportingEvidenceExample, NCT01980823EligibilityCriteria, PalliativeCare, PatientCommon, QICoreCommon, Status, StratificationEncounterExample, StratificationPatientExample, SupplementalDataElements and SupportingEvidenceExample * Measure Aggregate Method: Measure/CAUTIRateExample, Measure/CAUTISIRExample and Measure/HOBExample * Measure Population Type: Measure/BreastCancerScreeningDQMDraft, Measure/CAUTIRateExample... Show 5 more, Measure/CAUTISIRExample, Measure/HOBExample, Measure/StratificationEncounterExample, Measure/StratificationPatientExample and Measure/SupportingEvidenceExample * Measure Scoring: Measure/CAUTIRateExample, Measure/CAUTISIRExample and Measure/HOBExample ( src )
• codesystem Current Procedural Terminology (CPT®) version 2023 ( src )
• dQM CMS Content Implementation Guide, published by cqframework. This guide is not an authorized publication; it is the continuous build for version 2026.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/cqframework/dqm-content-cms-2026/ and changes regularly. See the Directory of published versions ( src )

External References

Type	Reference	Content
web	snomed.info	Code(s) : SNOMED CT: 254838004 (Carcinoma of breast)
web	snomed.info	Code(s) : SNOMED CT: 713670002 (Entered into drug clinical trial)
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web	snomed.info	266186009
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web	snomed.info	113714003
web	snomed.info	409815006
web	snomed.info	372391001
web	snomed.info	736080001
web	snomed.info	736079004
web	snomed.info	57145009
web	snomed.info	2591000146102
web	snomed.info	243420008
web	snomed.info	49931000087108
web	snomed.info	785768009
web	snomed.info	8296004
web	snomed.info	359802007
web	snomed.info	36013002
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web	snomed.info	541351000124107
web	snomed.info	28861000087102
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web	snomed.info	785735002
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web	snomed.info	413398000
web	snomed.info	413399008
web	snomed.info	413400001
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web	snomed.info	413409000
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web	snomed.info	3092008
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web	github.com
web	github.com	dQM CMS Content Implementation Guide, published by cqframework. This guide is not an authorized publication; it is the continuous build for version 2026.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/cqframework/dqm-content-cms-2026/ and changes regularly. See the Directory of published versions
web	github.com	IG © 2026+ cqframework . Package cms.madie#2026.1.0 based on FHIR 4.0.1 . Generated 2026-07-30 Links: Table of Contents | QA Report | Version History | License
web	snomed.info	186087007
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web	snomed.info	154315008
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web	snomed.info	113714003
web	snomed.info	409815006
web	snomed.info	372391001
web	snomed.info	736080001
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web	snomed.info	785735002
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web	snomed.info	423947001
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web	snomed.info	108290001
web	snomed.info	69031006
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web	snomed.info	250537006
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web	www.ihe.net	Adapted from content published by IHE Copyright (c) 2015 IHE International, Inc . Used here according to the terms of the CC BY 4 License . This CodeSystem constitutes a profile on ISO 8601 , specifying use of its duration definitions for expressing time period ranges. Show Usage Time Period Ranges : AgeStratifiedExampleAgeGroups
web	creativecommons.org	Adapted from content published by IHE Copyright (c) 2015 IHE International, Inc . Used here according to the terms of the CC BY 4 License . This CodeSystem constitutes a profile on ISO 8601 , specifying use of its duration definitions for expressing time period ranges. Show Usage Time Period Ranges : AgeStratifiedExampleAgeGroups
web	www.iso.org	Adapted from content published by IHE Copyright (c) 2015 IHE International, Inc . Used here according to the terms of the CC BY 4 License . This CodeSystem constitutes a profile on ISO 8601 , specifying use of its duration definitions for expressing time period ranges. Show Usage Time Period Ranges : AgeStratifiedExampleAgeGroups
web	ucum.org	The UCUM codes, UCUM table (regardless of format), and UCUM Specification are copyright 1999-2009, Regenstrief Institute, Inc. and the Unified Codes for Units of Measures (UCUM) Organization. All rights reserved. https://ucum.org/trac/wiki/TermsOfUse Show Usage Unified Code for Units of Measure (UCUM) : Measure/CAUTIRateExample and Measure/HOBExample

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