Release 4 5 Preview #2
This page is part of the FHIR Specification (v4.0.1: R4 - Mixed Normative and STU ). This is the current published version in it's permanent home (it will always be available at this URL). For a full list of available versions, see the Directory of published versions


Vocabulary Work Group Maturity Level : N/A Standards Status : Informative Compartments : Not linked to any defined compartments

This is the narrative for the resource. See also the XML , JSON or Turtle format. This example conforms to the profile CodeSystem .

SNOMED CT (all versions) SNOMED CT is the most comprehensive and precise clinical health terminology product in the world, owned and distributed around the world by The International Health Terminology Standards Development Organisation (IHTSDO). Copyright Statement: © 2002-2016 International Health Terminology Standards Development Organisation (IHTSDO). All rights reserved. SNOMED CT®, was originally created by The College of American Pathologists. "SNOMED" and "SNOMED CT" are registered trademarks of the IHTSDO


Code URL Description Type
inactive Whether the code is active or not (defaults to false). Not the same as deprecated boolean
definitionStatusId Either of the codes that are descendants of 900000000000444006 code
parent http://.........? A SNOMED CT concept id that has the target of a direct is-a relationship from the concept code
child http://.........? A SNOMED CT concept id that has a direct is-a relationship to the concept code
moduleId The SNOMED CT concept id of the module that the concept belongs to. code
normalForm http://.........? Generated Normal form expression for the provided code or expression, with terms string
normalFormTerse http://.........? Generated Normal form expression for the provided code or expression, conceptIds only string
Due to code
Associated with code
Associated morphology code
Has specimen code
Specimen source morphology code
Specimen source topography code
Specimen source identity code
Specimen procedure code
Part of code
Has active ingredient code
Subject of information code
Causative agent code
Associated finding code
Component code
Severity code
Occurrence code
Episodicity code
Technique code
Revision status code
Units code
After code
Access code
Method code
Priority code
Clinical course code
Laterality code
Associated procedure code
Finding site code
Laterality code
Direct morphology code
Direct substance code
Has focus code
Has intent code
Procedure site code
Has definitional manifestation code
Indirect morphology code
Indirect device code
Has interpretation code
Interprets code
Measurement method code
Property code
Recipient category code
Scale type code
Specimen substance code
Time aspect code
Pathological process code
Procedure site - Direct code
Procedure site - Indirect code
Procedure device code
Procedure morphology code
Finding context code
Procedure context code
Temporal context code
Subject relationship context code
Route of administration code
Has dose form code
Finding method code
Finding informer code
Using device code
Using energy code
Using substance code
Surgical approach code
Using access device code
Role group code
Property type code
Inheres in code
Towards code
Characterizes code
Process agent code
Process duration code
Process output code
Relative to code
Precondition code
Direct site code
Specified by code
Observes code
Is about code


Code Description operator Value
concept Filter that includes concepts based on their logical definition. e.g. [concept] [is-a] [x] - include all concepts with an is-a relationship to concept x, or [concept] [in] [x]- include all concepts in the reference set identified by concept x is-a in A SNOMED CT code
expression The result of the filter is the result of executing the given SNOMED CT Expression Constraint = A SNOMED CT ECL expression (see
expressions Whether post-coordinated expressions are included in the value set = true or false

This code system defines many codes, but they are not represented here



Usage note: every effort has been made to ensure that the examples are correct and useful, but they are not a normative part of the specification.