| 'A' Codes | 816 | Transportation Services Including Ambulance, Medical & Surgical Supplies |
| 'B' Codes | 51 | Enteral And Parenteral Therapy |
| 'C' Codes | 548 | Temporary Codes For Use with Outpatient Prospective Payment System |
| 'E' Codes | 639 | Durable Medical Equipment |
| 'G' Codes | 1,941 | Procedures / Professional Services (Temporary Codes) |
| 'H' Codes | 92 | Alcohol and Drug Abuse Treatment Services / Rehab Services |
| 'J' Codes | 1,083 | Drugs Administered Other Than Oral Method, Chemotherapy Drugs |
| 'K' Codes | 175 | Durable Medical Equipment For Medicare Administrative Contractors |
| 'L' Codes | 913 | Orthotic And Prosthetic Procedures, Devices |
| 'M' Codes | 366 | Medical Services |
| 'P' Codes | 58 | Pathology And Laboratory Services |
| 'Q' Codes | 485 | Miscellaneous Services (Temporary Codes) |
| 'R' Codes | 3 | Diagnostic Radiology Services |
| 'S' Codes | 532 | Commercial Payers (Temporary Codes) |
| 'T' Codes | 114 | Established For State Medical Agencies |
| 'U' Codes | 5 | Coronavirus Diagnostic Panel |
| 'V' Codes | 212 | Vision, Hearing And Speech-Language Pathology Services |
