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This variable is contained in the following files:
SAS Name
PRCDR_CD_SYS_1
CODE SPECIFYING THE PROCEDURE CODING SYSTEM USED FOR THE PRINCIPAL PROCEDURE.
USER NOTES: THIS DATA ELEMENT SHOULD BE USED WITH 'PRINCIPAL PROCEDURE CODE'. USERS SHOULD MAKE SURE THE CODE VALUE IN THIS DATA ELEMENT
ACCURATELY REFLECTS THE CODING SCHEME IN USE. THE FOLLOWING CODE VALUES ARE OBSOLETE (03-05):
ACCURATELY REFLECTS THE CODING SCHEME IN USE. THE FOLLOWING CODE VALUES ARE OBSOLETE (03-05):
| Code | Code value |
|---|---|
| 01 | CPT-4 (HCPCS LEVEL 1) |
| 02 | ICD-9-CM |
| 06 | HCPCS (HCPCS LEVELS 2 AND 3) |
| 07 | ICD-10 (FUTURE USE) |
| 10-87 | OTHER SYSTEMS |
| 88 | NOT APPLICABLE |
| 99 | UNKNOWN |
| 03 | CRVS 74 |
| 04 | CRVS 69 |
| 05 | CRVS 64 |
SOURCE: MSIS CLAIMS FILE: 'PROC-CODE-FLAG-PRINCIPAL'.