Primary Coding

http://fhir.patientsknowbest.com/structuredefinition/primary-coding

https://www.hl7.org/fhir/STU3/structuredefinition.html

description

Coded data provided via HL7 can contain a primary and alternate coding.

This extension indicates which coding was primary when both codings are returned in a FHIR element.

The absence of this extension on a coding should be interpreted as false.

type

Extension

element type

Boolean