US Core Implementation Guide
5.0.0 - STU5 Release United States of America flag

US Core Implementation Guide, published by HL7 International - Cross-Group Projects. This is not an authorized publication; it is the continuous build for version 5.0.0). This version is based on the current content of and changes regularly. See the Directory of published versions

ValueSet: Birth Sex

Official URL: Version: 5.0.0
Active as of 2021-12-08 Computable Name: BirthSex

Copyright/Legal: Used by permission of HL7 International, all rights reserved Creative Commons License

Codes for assigning sex at birth as specified by the Office of the National Coordinator for Health IT (ONC)


The publication tooling does not currently support generation of this Value Set expansion. We anticipate updates to enable this feature before the next version of this guide is published. We have provided the manual expansion below for your review.

Code System Display Definition
F Female -
M Male -
ASKU asked but unknown -
OTH other -
UNK unknown -

Logical Definition (CLD)

This value set includes codes based on the following rules:



No Expansion for this valueset (not supported by Publication Tooling)

Explanation of the columns that may appear on this page:

Level A few code lists that FHIR defines are hierarchical - each code is assigned a level. In this scheme, some codes are under other codes, and imply that the code they are under also applies
System The source of the definition of the code (when the value set draws in codes defined elsewhere)
Code The code (used as the code in the resource instance)
Display The display (used in the display element of a Coding). If there is no display, implementers should not simply display the code, but map the concept into their application
Definition An explanation of the meaning of the concept
Comments Additional notes about how to use the code