haau3 FHIR Implementation Guide (HFIG)
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Extension: MedList Evidence

Official URL: https://haau3.com/fhir/StructureDefinition/medlist-evidence Version: 1.0.0
Draft as of 2026-09-25 Computable Name: MedlistEvidence

A signal found in a patient's medication records that bears on one reconciled medication entry: why the entry has its status, or how its medication was coded. An entry carries every signal that applies, as repeating extensions, and never a numeric confidence score. The codes and what each one means are in the MedList Evidence code system.

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 how the XML and JSON presentations work.

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension MedList Evidence
... extension 0..0 Extension
... url 1..1 uri "https://haau3.com/fhir/StructureDefinition/medlist-evidence"
... value[x] 1..1 Coding Value of extension
Binding: MedList Evidence (required)

doco Documentation for this format
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension MedList Evidence
... 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://haau3.com/fhir/StructureDefinition/medlist-evidence"

doco Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type Coding: A signal found in a patient's medication records that bears on one reconciled medication entry: why the entry has its status, or how its medication was coded. An entry carries every signal that applies, as repeating extensions, and never a numeric confidence score. The codes and what each one means are in the MedList Evidence code system.

Differential View

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension MedList Evidence
... extension 0..0 Extension
... url 1..1 uri "https://haau3.com/fhir/StructureDefinition/medlist-evidence"
... value[x] 1..1 Coding Value of extension
Binding: MedList Evidence (required)

doco Documentation for this format

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension MedList Evidence
... 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://haau3.com/fhir/StructureDefinition/medlist-evidence"

doco Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type Coding: A signal found in a patient's medication records that bears on one reconciled medication entry: why the entry has its status, or how its medication was coded. An entry carries every signal that applies, as repeating extensions, and never a numeric confidence score. The codes and what each one means are in the MedList Evidence code system.

 

Other representations of profile: CSV, Excel, Schematron

Terminology Bindings

Path Status Usage ValueSet Version Source
Extension.value[x] Base required MedList Evidence 📦1.0.0 This IG

Constraints

Id Grade Path(s) Description Expression
ele-1 error **ALL** elements All FHIR elements must have a @value or children hasValue() or (children().count() > id.count())
ext-1 error **ALL** extensions Must have either extensions or value[x], not both extension.exists() != value.exists()