HCPCS, CPT-4 Medicine Codes and Modifiers

Service or Procedure Codes or Code Ranges Required Modifiers Allowable
Modifiers
Medicine performed by a 90701 – 99199 SA, SB, U7,
Non-physician Medical Practitioner (NMP) (See the Non-physician Medical Practitioners section in the appropriate Part 2 manual for more information.) 22, 99
Vaccine for Vaccines For Children (VFC) 90633, SL
90647 – 90649, 90655 – 90658, 90660 90680, 90700, 90707, 90710,
90713 – 90716, 90723, 90734, 90743, 90744, 90748
Vaccine for High Risk 90632, 90636, SK
90675,
90690 – 90693, 90704, 90717, 90725, 90727, 90732 – 90734
Vaccine for High Risk 90632 SK, SL
and VFC 90633 SL
90636, 90660, 90732, 90734 SK, SL
Infusion Therapy 90780, 90781 22, 99
Unlisted Therapeutic, Prophylactic or Diagnostic Injections 96372, 96379 SA, SB, 22, 99
Psychiatry Z0300 22, 99
90800 – 90869
90870, 90871 P1, ZE, ZF, ZG
22, 99
90880 – 90899 22, 99
Dialysis 90951 – 90970, 90989 – 90999 22, 99
Gastroenterology 91000 – 91030 TC, ZS, 26, 99
91034 – 91038
91052 – 91065 91122
91090 – 91105
22, 99
91132 – 91133
TC, ZS, 26, 99
91299