HEARTLAND Protocol FHIR Implementation Guide
0.3.0 - United States of America flag

HEARTLAND FHIR candidate 0.3.0 — draft, experimental R4 4.0.1 reference. Prepared for technical review; not evidence of clinical validation or vendor interoperability.

Extension: HEARTLAND Social Support Score (Experimental)

Official URL: https://fhir.heartlandprotocol.org/StructureDefinition/heartland-social-support-score Version: 0.3.0
Draft as of 2026-09-29 Computable Name: HeartlandSocialSupportScore

Boolean indicator of limited social support per the HEARTLAND risk score: true = patient lives alone or has limited social support, contributing 1 point. Perceived social isolation has been independently associated with a 3.74-fold increase in mortality among HF patients (HEARTLAND Protocol v3.2, Module 2).

Context of Use

    This extension may be used on the following element(s)

Usage info

Usages:

You can also check for usages in the FHIR IG Statistics

Formal Views of Extension Content

Description of Profiles, Differentials, Snapshots, and their representations.

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension HEARTLAND Social Support Score
... extension 0..0 Extension
... url 1..1 uri "https://fhir.heartlandprotocol.org/StructureDefinition/heartland-social-support-score"
... value[x] 1..1 boolean Value of extension

doco Documentation for this format
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension HEARTLAND Social Support Score
... id 0..1 string Unique id for inter-element referencing
... extension 0..0 Extension
Slice: Unordered, Open by value:url
... url 1..1 uri "https://fhir.heartlandprotocol.org/StructureDefinition/heartland-social-support-score"

doco Documentation for this format

Constraints

Id Grade Path(s) Description Expression

Summary

Simple Extension with the type boolean: Boolean indicator of limited social support per the HEARTLAND risk score: true = patient lives alone or has limited social support, contributing 1 point. Perceived social isolation has been independently associated with a 3.74-fold increase in mortality among HF patients (HEARTLAND Protocol v3.2, Module 2).

Differential ViewDifferential View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension HEARTLAND Social Support Score
... extension 0..0 Extension
... url 1..1 uri "https://fhir.heartlandprotocol.org/StructureDefinition/heartland-social-support-score"
... value[x] 1..1 boolean Value of extension

doco Documentation for this format

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension HEARTLAND Social Support Score
... id 0..1 string Unique id for inter-element referencing
... extension 0..0 Extension
Slice: Unordered, Open by value:url
... url 1..1 uri "https://fhir.heartlandprotocol.org/StructureDefinition/heartland-social-support-score"

doco Documentation for this format

Constraints

Id Grade Path(s) Description Expression

Summary

Simple Extension with the type boolean: Boolean indicator of limited social support per the HEARTLAND risk score: true = patient lives alone or has limited social support, contributing 1 point. Perceived social isolation has been independently associated with a 3.74-fold increase in mortality among HF patients (HEARTLAND Protocol v3.2, Module 2).

 

Other representations of profile: CSV, Excel, Schematron