Directory / Terminology & standards / HDB-0481

HL7 FHIR Terminologies

Health Level Seven (HL7) International

HDB-0481

HL7 FHIR (Fast Healthcare Interoperability Resources) Terminologies define the standard codes, value sets, and code systems for healthcare data exchange and integration. The specification covers how to represent coded values in FHIR resources, binding strengths for value sets, and integration with major terminologies like SNOMED CT, LOINC, ICD, and RxNorm for standardizing both structured and unstructured health data.

Category

Terminology

Access

Open access

Region

Global

Coverage

Healthcare interoperability codes and terminologies for FHIR-compliant systems

License / terms

Public domain / Creative Commons

Data types

code systems, value sets, coding standards

interoperability healthcare IT standards data exchange

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Record HDB-0481 · last verified 2026-08-23 · listed in Terminology & standards

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SNOMED CT

SNOMED International SNOMED CT is a systematized nomenclature of medicine clinical terminology system maintained by SNOMED International, a non-profit organization. It provides standardized international multilingual clinical terminology used globally to code clinical findings, procedures, diagnoses, and medical concepts in healthcare systems. Terminology Credentialed HDB-0073

LOINC

Regenstrief Institute LOINC is an international standard for identifying health observations, measurements, and laboratory tests maintained by the Regenstrief Institute at Indiana University. It enables healthcare systems to identify, exchange, and aggregate clinical data using unique standardized codes for laboratory and clinical observations. Terminology Open access HDB-0074

RxNorm

National Library of Medicine RxNorm is a normalized naming system for generic and branded clinical drugs maintained by the National Library of Medicine, part of the NIH. It provides normalized drug names and links to drug vocabularies commonly used in pharmacy management and drug interaction systems for semantic interoperation. Terminology Open access HDB-0075

WHO ICD-11

World Health Organization The International Classification of Diseases 11th Revision (ICD-11) is the global standard for diagnostic health information maintained by the World Health Organization. It provides a standardized system for classifying diseases, disorders, injuries, and health conditions used worldwide for healthcare management and clinical documentation. Terminology Open access