HEARTLAND Protocol FHIR Implementation Guide
0.3.0 -
HEARTLAND Protocol FHIR Implementation Guide
0.3.0 -
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.
| 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)
Patient
Usage info
Usages:
You can also check for usages in the FHIR IG Statistics
Description of Profiles, Differentials, Snapshots, and their representations.
| Name | Flags | Card. | Type | Description & Constraints Filter:   |
|---|---|---|---|---|
  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 | |
| Documentation for this format | ||||
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
 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" | |
| value[x] |
1..1 | boolean | Value of extension | |
| Documentation for this format | ||||
| 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
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| 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 | |
| Documentation for this format | ||||
Snapshot View
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| 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" | |
| value[x] |
1..1 | boolean | Value of extension | |
| Documentation for this format | ||||
| 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