Table 1.
Procedure codes and selection criteria for bariatric surgery, lumbar surgery, and total knee replacement.
| Procedure | Code | Description | |
| Bariatric surgerya | 43644 | LP GSTR RSTRCIV PRC;GSTR BYPS & ROUX-EN Y | |
| 43644 | LAP GASTRIC BYPASS/ROUX-EN-Y | ||
| 43645 | LP GSTR RSTRCIV PRC;GSTR BYPS&SM INTST R | ||
| 43645 | LAP GASTR BYPASS INCL SMALL INTESTINE | ||
| 43770 | LAP PLACE GASTR ADJ DEVICE | ||
| 43770 | UNKNOWN PROCEDURE | ||
| 43770 | LAPS GSTR RSTCV PX PLMT BAND | ||
| 43842 | V-BAND GASTROPLASTY | ||
| 43842 | GASTROPLASTY FOR OBESITY | ||
| 43843 | GASTROPLASTY W/O V-BAND | ||
| 43843 | GASTROPLASTY FOR OBESITY | ||
| 43846 | GASTRIC BYPASS FOR OBESITY | ||
| 43846 | GASTRIC BYPASS FOR OBESITY | ||
| 43846 | GAST RESTRIC W/BYP; SHORT ROUX-EN-Y | ||
| 43847 | GASTRIC BYPASS INCL SMALL INTESTINE | ||
| 43847 | GASTRIC BYPASS FOR OBESITY | ||
| Lumbar spinal fusionb | 22558 | LUMBAR SPINE FUSION | |
| 22612 | LUMBAR SPINE FUSION | ||
| 22630 | LUMBAR SPINE FUSION | ||
| 0309 | OTH EXPL&DECOMPRS SPINAL CANAL | ||
| 0309 | SPINAL CANAL EXPLOR NEC | ||
| 63030 | LOW BACK DISK SURGERY | ||
| 63035 | SPINAL DISK SURGERY ADDON | ||
| 63035 | ADDED SPINAL DISK SURGERY | ||
| 63042 | LAMINOTOMY, SINGLE LUMBAR | ||
| 63042 | LOW BACK DISK SURGERY | ||
| 63044 | HEMILAMINECTOMY W NERVE RT DEC | ||
| 63044 | LAMINOTOMY, ADDL LUMBAR | ||
| 63047 | REMOVAL OF SPINAL LAMINA | ||
| 63048 | REMOVAL OF SPINAL LAMINA | ||
| 63048 | REMOVE SPINAL LAMINA ADD-ON | ||
| 63056 | DECOMPRESS SPINAL CORD | ||
| 63057 | DECOMPRESS SPINE CORD ADD-ON | ||
| 63057 | DECOMPRESS SPINAL CORD | ||
| 8108 | POSTERIOR LUMBAR FUSION | ||
| 8108 | LUMB LUMBOSAC FUS ANT COL POST TECH | ||
| Total knee replacementc | 27445 | REVISION OF KNEE JOINT | |
| 27447 | TOTAL KNEE ARTHROPLASTY | ||
| 27447 | TOTAL KNEE REPLACEMENT | ||
| 8154 | TOTAL KNEE REPLACEMENT | ||
a CPT-4 procedure codes
b Mix of CPT-4 and International Classification of Diseases, 9th Revision (ICD-9) procedure codes
c Mix of CPT-4 and ICD-9 procedure codes