Appendix.

ICD-9-CM and CPT Codes Used to Determine the Receipt of HCC-Specific Treatment

	Codes
Liver transplantation	ICD-9-CM: 50.5, 50.59, 50.51, V42.7, 50.4 CPT: 47135, 47136, 47140, 47141, 47142
Surgical resection	ICD-9-CM: 50.21, 50.22, 50.3 CPT: 47120, 47122, 47125, 47130
Local ablation	ICD-9-CM: 50.29 CPT: 47370, 76490, 76362, 47380, 47382
Trans-arterial chemoembolization	Embolization ICD-9-CM: 38.80, 38.86 CPT: 37204, 75894 Chemotherapy within 30-days of embolization ICD-9-CM: 99.25 CPT: J9000, J9280, J9060, 96405, 96408, 96420, 96422, 96423, 96425, 96440, 96445, 96545, 96549, 0331, 0335
Systemic chemotherapy	ICD-9: 99.25 CPT: J9000, J9010, J9190, J9200, J9201, J9217, J9265, J9060, J9062, J9170, J9178, J9181, J9182, J9280, J9293, J9370, J9015, J9017, J9035, J9202, J9055, 90782, 96400, 96405, 96408, 96410, 96412, 96414, 96420, 96422, 96423, 96425, 96440, 96445, 96545, 96549, 0331, 0332, 0335