Table 1: ICD-9 and CPT/HCPCS codes used to identify treatment modality.

Treatment ICD-9 codes HCPCS
Immediate radiation treatment V58.0, V66.1, V67.1, 92.21-92.29 77401-77499, 77750-77799, 77014, 77334,
77336, 77520, 77522-77525
Prostatectomy 60.5, 60.2, 60.21-60.29, 60.3-60.6,
60.61, 60.62, 60.69, 60.9
55812-55845, 55866, 55810, 55899, 55867-55880
Chemotherapy V58.1, V66.2, V67.2, 99.25 96401-96549