| Format/length: | an4 |
| HES item: | OPERTN1 |
| National Codes: | |
| Default Codes: |
Notes:
See PROCEDURE CODING for details on coding.
'Primary' is a classification of PATIENT PROCEDURE CODING SIGNIFICANCE of INTERVENTION CLASSIFICATION ASSOCIATION for the OPCS-4 code of an OPERATIVE PROCEDURE.
This data element is also known by these names:
| Context | Alias |
|---|---|
| plural | PRIMARY OPERATION (OPCS-4) |