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CodeSystem Subsumption testing

Overview

Test the subsumption relationship between code/Coding A and code/Coding B given the semantics of subsumption in the underlying code system. For more details, see the official documentation FHIR CodeSystem $subsumes

Api

URL: [base]/CodeSystem/$subsumes
URL: [base]/CodeSystem/[id]/$subsumes

Parameters

Parameter
Type
Status
Example
codeA
code
supported
code
codeB
code
supported
code
system
uri
supported
system
codingA
Coding
supported
coding
codingB
Coding
supported
coding
version
string
not supported
-

Examples

We will use goal-status CodeSystem which consists of :
Code
Parent codes
accepted
-
achieved
["accepted"]
ahead-of-target
["accepted", "in-progress"]
behind-target
["accepted", "in-progress"]
cancelled
-
entered-in-error
-
in-progress
["accepted"]
on-hold
["accepted"]
on-target
["accepted", "in-progress"]
planned
["accepted"]
proposed
-
rejected
-
sustaining
["accepted", "in-progress"]

Result of subsumption

The subsumption relationship between code/Coding "A" and code/Coding "B". There are 4 possible codes to be returned: equivalent, subsumes, subsumed-by, and not-subsumed. If the server is unable to determine the relationship between the codes/Codings, then it returns an error.

Requests examples

With code

equivalent
Request
Response
GET [base]/CodeSystem/$subsumes?system=http://hl7.org/fhir/goal-status&codeA=accepted&codeB=accepted
or:
POST [base]/CodeSystem/$subsumes
content-type: text/yaml
resourceType: Parameters
parameter:
- {name: system, valueUri: 'http://hl7.org/fhir/goal-status'}
- {name: codeA, valueCode: accepted}
- {name: codeB, valueCode: accepted}
resourceType: Parameters
parameter:
- name: outcome
value: {code: equivalent}
subsumes
Request
Response
GET [base]/CodeSystem/$subsumes?system=http://hl7.org/fhir/goal-status&codeA=accepted&codeB=achieved
or:
POST [base]/CodeSystem/$subsumes
content-type: text/yaml
resourceType: Parameters
parameter:
- {name: system, valueUri: 'http://hl7.org/fhir/goal-status'}
- {name: codeA, valueCode: accepted}
- {name: codeB, valueCode: achieved}
resourceType: Parameters
parameter:
- name: outcome
value: {code: subsumed}
subsumed-by
Request
Response
GET [base]/CodeSystem/$subsumes?system=http://hl7.org/fhir/goal-status&codeA=achieved&codeB=accepted
or:
POST [base]/CodeSystem/$subsumes
content-type: text/yaml
resourceType: Parameters
parameter:
- {name: system, valueUri: 'http://hl7.org/fhir/goal-status'}
- {name: codeA, valueCode: achieved}
- {name: codeB, valueCode: accepted}
resourceType: Parameters
parameter:
- name: outcome
value: {code: subsumed-by}
not-subsumed
Request
Response
GET [base]/CodeSystem/$subsumes?system=http://hl7.org/fhir/goal-status&codeA=cancelled&codeB=proposed
or:
POST [base]/CodeSystem/$subsumes
content-type: text/yaml
resourceType: Parameters
parameter:
- {name: system, valueUri: 'http://hl7.org/fhir/goal-status'}
- {name: codeA, valueCode: cancelled}
- {name: codeB, valueCode: proposed}
resourceType: Parameters
parameter:
- name: outcome
value: {code: not-subsumed}

With Coding

You will receive same subsumption results
Request
Response
POST [base]/CodeSystem/$subsumes
content-type: text/yaml
resourceType: Parameters
parameter:
- name: system
valueUri: 'http://hl7.org/fhir/goal-status'
- name: codingA
valueCoding: {code: accepted}
- name: codingB
valueCoding: {code: achieved}
resourceType: Parameters
parameter:
- name: outcome
value: {code: subsumed}
You can also combine code and Coding
Request
Response
POST [base]/CodeSystem/$subsumes
content-type: text/yaml
resourceType: Parameters
parameter:
- name: system
valueUri: 'http://hl7.org/fhir/goal-status'
- name: codingA
valueCoding: {code: accepted}
- name: codeB
valueCode: achieved
resourceType: Parameters
parameter:
- name: outcome
value: {code: subsumed}