For Dates of Service Before January 1, 2022

Procedure Codes

Covered anesthesia services are identified by the CPT procedure codes listed in the following table. Not all services identified by CPT codes are covered (e.g., fertility-related services are not covered). Other CPT codes have limitations. These codes are updated on a quarterly basis. Providers are required to use the most current service-specific maximum allowable fee schedule in conjunction with the most current CPT reference to determine coverage of services.

Service Procedure Codes Modifier Required?
Head 00100-00222 Yes
Neck 00300-00352 Yes
Thorax (Chest Wall and Shoulder Girdle) 00400-00474 Yes
Intrathoracic 00500-00580 Yes
Spine and Spinal Cord 00600-00670 Yes
Upper Abdomen 00700-00797 Yes
Lower Abdomen 00800-00882 Yes
Perineum 00902-00952 Yes
Pelvis (except Hip) 01112-01173 Yes
Upper Leg (except Knee) 01200-01274 Yes
Knee and Popliteal Area 01320-01444 Yes

Lower Leg (below Knee, includes Ankle and Foot) 01462-01522 Yes
Shoulder and Axilla 01610-01680 Yes
Upper Arm and Elbow 01710-01782 Yes
Forearm, Wrist, and Hand 01810-01860 Yes
Radiological Procedures 01905-01933 Yes
Burn Excisions or Debridement 01951-01953 Yes
Obstetric 01958-01969 Yes
Other Procedures 01990-01999 Yes
Vascular Injection Procedures (when Anesthesia Is Not Provided) 36000-36248, 36568-36569, 36580, 36584, 36600-36660 No*
Invasive Monitoring 36555-36556, 36620, 93503 No*
Catheter/Injections/Nerve Blocks 62256, 62280-62281, 62320-62327, 64400-64530 No*
Qualifying Circumstances for Anesthesia 99100-99140 Yes (modifier "AA" only)

*Use of modifiers for these procedure codes will result in denied claims.