| Vocabulary Type | Code System - Representative |
| Concept Domain | Administrative Sex |
| Code System Name | |
| Code System Identifier | |
| Code System OID | |
| HL7 Table Identifier | HL70001 |
| Version | |
| Status | Active |
| Where Used | PID-8 |
| Purpose and Use | Table of codes specifying a patient's sex. |
| Code | Display | Definition | Deprecated |
|---|---|---|---|
| F | Female | Female | |
| M | Male | Male | |
| O | Other | Other | |
| U | Unknown | Unknown | |
| A | Ambiguous | Ambiguous | |
| N | Not applicable | Not applicable | |
| X | Non-Binary | Intended for situations where the gender or sex representation of the individual is not strictly male, or strictly female, and is driven by jurisdictional requirements, personal needs, or legal boundaries. |