Table 1.

ICD-9 and CPT codes used to identify patients who received curative surgery, chemotherapy, or radiation therapy.

	Codes used to identify patients who received therapy
Curative Surgery
ICD-9	527, 5251, 5253
CPT procedure codes	48140, 48145–48146, 48148, 48150, 48152–48155
Chemotherapy
ICD-9	9925, V581, V662, V672
CPT drug codes	J8520–8521, J9000, J9010, J9015, J9020, J9031, J9040, J9045, J9050, J9060, J9062, J9065, J9070, J9080, J9090–9097, J9100, J9110, J9120, J9130, J9140, J9150, J9165, J9181–9182, J9185, J9190, J9200–9202, J9208–9209, J9211–9215, J9216–9218, J9230, J9245, J9250, J9260, J9265, J9266, J9268, J9270, J9280, J9290–9291, J9293, J9320, J9340, J9360, J9370, J9375, J9380, J9390, J9999
CPT procedure codes	0331–0332, 0335, 96400, 96405, 96408, 96410, 96412, 96414, 96420, 96422, 96423, 96425, 96440, 96445, 96450, 96520, 96530, 96542, 96545, 96549, Q0083, Q0085
Radiation therapy
CPT procedure codes	77401–77416