Where used:
| Attribute | PATIENT PROCEDURE CODE SEQUENCE | references in description INTERVENTION CLASSIFICATION ASSOCIATION |
| Attribute | PATIENT PROCEDURE CODING SIGNIFICANCE | references in description INTERVENTION CLASSIFICATION ASSOCIATION |
| Class | CLINICAL CLASSIFICATION | the classification for INTERVENTION CLASSIFICATION ASSOCIATION |
| Class | CLINICAL INTERVENTION | classified by INTERVENTION CLASSIFICATION ASSOCIATION |
| Data Element | PRIMARY OPERATION (OPCS-4) | references in description INTERVENTION CLASSIFICATION ASSOCIATION |
| Data Element | PRIMARY PROCEDURE (OPCS) | references in description INTERVENTION CLASSIFICATION ASSOCIATION |
| Data Element | PRIMARY PROCEDURE (READ) | references in description INTERVENTION CLASSIFICATION ASSOCIATION |