Table A2.

Billing Codes Used to Identify Chemotherapy in Medicare Claims

Modality	ICD-9 Procedure Codes	Health Care Common Procedure Coding System Codes*
Systemic chemotherapy†	99.25, V58.1, V66.2, V67.2, E93.07, E93.31	J9000-J9999, J8520-J8999, G0355-G0362, G9021-G9032, C9414-C9419, C9420-9438, S9325-S9379, S9494-S9497, 96400-96599, 36260, 36640, 95990, 95991, A4301, C1166, C1167, C1168, C9110, C9205, C9207, C9213, C9214, C9215, C9216, C9411, E0782, E0783, E0785, E0786, J0640, J2405, K0415, KO416, Q0083, Q0084, Q0085, Q0179, S0177, S0181

Abbreviation: ICD-9, International Classification of Diseases, 9th edition.

^*Codes for hormonal therapy (J9003, J9165, J9175, J9202, J9209, J9212, J9213, J9214, J9215, J9216, J9217, J9218, J9219, J9225, J9226, J9240, J9395) were excluded.

^†Includes intravenous, intramuscular, and orally administered agents, as indicated by specific codes.