US Veterans Health Administration FHIR Map Set Implementation Guide
1.3.1 - 250401 United States of America flag

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Must Support

The Profile elements consist of both Mandatory and Must Support elements. Mandatory elements are elements with an minimum cardinality of 1 (min=1). The base US Core Must Support guidance defines exactly the support expected for profile elements labeled Must Support. On top of that guidance this implementation guide marks elements Must Support whenever it has a mapping.

Note that the mapping can be a target-not-supported mapping, meaning there is no source for that element.