HCPCS, CPT-4 Medicine Codes and Modifiers – Non-Invasive Vascular, Pulmonary, Allergy and Clinical Immunology, Neurology, Chemotherapy, Special Dermatologic Procedures, Physical Medicine, Critical Care, Special Services and Reports & E&M services

Service or Procedure Codes or Code Ranges Required Modifiers Allowable
Modifiers
Non-Invasive Vascular 93875 – 93981 TC, ZS 26, 99
Diagnostic Studies
93990 TC, ZS 26, 99
Pulmonary 94010 – 94620 TC, ZS, 26, 99
94640 – 94668 22, 99
94680 – 94750 TC, ZS, 26, 99
94760
94770 TC, ZS, 26, 99
94772, 94799 22, 99
Allergy and Clinical Immunology 95000 – 95199 22, 99
Neurology 95805 – 95827 TC, ZS, 26, 99
95829 TC, ZS, 26, 99
95830 – 95839
95842 TC, ZS, 26, 99
95851 – 95857
95860 – 95875 TC, ZS, 26, 99
95880 – 95882
95900 – 95958 TC, ZS, 26, 99
95999, Z0306 22, 99
Chemotherapy 96401 – 96549 22, 99
Administration
Special Dermatologic Procedures Z0308, 22, 99
96900 – 96999
Physical Medicine 97010 – 97799 22, 99
Special Services and Reports Z5424, Z5432, 22, 99
99000 – 99140
99152
22, 99
Critical Care Z0100 – Z0108, 22, 99
Z0312,
99160 – 99174
Other Services Z0310, 22, 99
99175 – 99199
Evaluation and Management Services 99200 – 99499 22, 99