core.isicd11codeunder

isIcd11CodeUnder() function

Returns true if the ICD-11 code is ancestor or one of its descendants. Postcoordination is ignored: only the first stem code is compared.

Signature:

export declare function isIcd11CodeUnder(code: string, ancestor: string): boolean;

Parameter	Type	Description
code	string	ICD-11 MMS code, possibly postcoordinated.
ancestor	string	ICD-11 MMS stem code.

Returns:

boolean

True if code falls under ancestor in the ICD-11 hierarchy.