Table 1.

Medicare Billing Codes

Variable	Billing Codes
Gastrectomy	ICD-9-CM procedure 43.5x-43.99
	CPT 43620–43622, 43631–43634
General chemotherapy administration	ICD-9-CM diagnosis V58.1
	ICD-9-CM procedure 99.25
	HCPCS C1166, C1167, C1178, C9110, C9205, C9207, C9213–C9216, C9411, C9414–C9419, C942x, C9430–C9438, G0355, G0356, G0359–G0362, J7150, J85xx–J87xx, J8999, J9xxx, Q0083–Q0085, S9325–S9329, S933x–S937x, S9494–S9497
	CPT 9651x–9654x, 964xx
	Revenue center 0331, 0332, 0335
	DRG 410
	BETOS O1D
Radiation therapy administration	ICD-9-CM diagnosis V58.0
	ICD-9-CM procedure 92.2x
	HCPCS S8049
	CPT 77xxx, 79xxx; revenue center 0330, 0333, 0339.
	DRG 409
	BETOS P7A
	Inpatient (MEDPAR) indicator for receipt of radiology oncology services, and MEDPAR indicator for receipt of radiology therapeutic services.
Diagnosis of metastatic disease	ICD-9-CM diagnosis 196–199

BETOS: Berrenson-Eggers Type Of Service

CPT: Current Procedural Terminology

DRG: Diagnosis Related Groups

HCPCS: Health Care Financing Administration Common Procedure Coding System

ICD-9-CM: International Classification of Diseases 9th Revision Clinical Modification