core.findcodebysystem

findCodeBySystem() function

Finds the code for a specific system in a list of CodeableConcepts.

Signature:

export declare function findCodeBySystem(categories: CodeableConcept[] | undefined, system: string): string | undefined;

Parameter	Type	Description
categories	CodeableConcept[] \| undefined	The list of CodeableConcepts to search.
system	string	The system to match.

Returns:

string | undefined

The code for the matching system, or undefined if not found.