Unattributed Code Systems

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

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Copyright and Registered Trademark Uses

• IG © 2025+ HL7 International / Clinical Interoperability Council. Package hl7.fhir.uv.symptoms#0.1.0 based on FHIR 4.0.1. Generated 2025-10-18 Links: Table of Contents | QA Report | Version History | CC0 | Propose a change ( src )
• hl7.fhir.us.hai: Healthcare Associated Infection Implementation Guide ®© HL7 | CC0 ( src )
• Copyright/Legal: This material contains content from LOINC (http://loinc.org). 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 at http://loinc.org/license. LOINC® is a registered United States trademark of Regenstrief Institute, Inc ( src )
• Copyright/Legal: This value set includes content from SNOMED CT, which is copyright © 2002+ International Health Terminology Standards Development Organisation (IHTSDO), and distributed by agreement between IHTSDO and HL7. Implementer use of SNOMED CT is not covered by this agreement ( src )
• FHIR R4 Symptoms Implementation Guide, published by HL7 International / Clinical Interoperability Council. This guide is not an authorized publication; it is the continuous build for version 0.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/fhir-symptoms-ig/ and changes regularly. See the Directory of published versions ( src )
• The HL7 International IPS implementation guides incorporate SNOMED CT®, used by permission of the International Health Terminology Standards Development Organisation, trading as SNOMED International. SNOMED CT was originally created by the College of American Pathologists. SNOMED CT is a registered trademark of the International Health Terminology Standards Development Organisation, all rights reserved. Implementers of SNOMED CT should review usage terms or directly contact SNOMED International: info@snomed.org ( src )
• This material contains content from LOINC (http://loinc.org). 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 at http://loinc.org/license. LOINC® is a registered United States trademark of Regenstrief Institute, Inc ( 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: AffectiveGrade, Observation/ChillSymptomAbsence... Show 13 more , Observation/CoughSymptom, Observation/DizzinessSymptom, Observation/FaintingSymptomAbsence, Observation/FeverSymptom, Observation/FeverSymptomAbsence, Observation/HearingLossSymptom, Observation/NaueaSymptomAbsence, Observation/ShortnessOfBreathPHSymptom, Observation/ShortnessOfBreathSymptom, Observation/UnconsciousnessSymptomAbsence, OtherEventCodes, SymptomAbsentObservation and SymptomObservation ( 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 * Observation Category Codes: AssessmentScaleCollection, AssessmentScaleObservation, FunctionalAssessmentCollection and FunctionalAssessmentObservation ( src )

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