Vocabulary for Sex

Code System Id


Version: 1.0
Status: active
Date: 2003-11-28


Default Scheme: NHS Data Dictionary Sex

Assigned OID: 2.16.840.1.113883.

Classification of the sex of a Person. The classification is phenotypical rather than genotypical, i.e. it does not provide codes for medical or scientific purposes. Note that '0 Not Known' means that the sex of a person has not been recorded. '9 Not Specified' means indeterminate, i.e. unable to be classified as either male or female.

References: ISO 5218 - 1977 (E)


Code Description Note
0 Not known
1 Male
2 Female
9 Not specified

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