Table S1. International Classification of Disease (ICD) and Healthcare Common Procedure Coding System (HCPCS) codes for non-small cell lung cancer (NSCLC) and treatments.

Lung cancer and treatment types	Codes
NSCLC (histologic subtype)	ICD-3-O histologic codes: 8051-8052, 8070-8084, 8120-8131, 8250-8255, 8050, 8140-8149, 8160-8162, 8190-8221, 8256-8263, 8270-8280, 8290-8337, 8350-8390, 8400-8560, 8570-8576, 8940-8941, 8011-8015, 8010, 8020-8022, 8030-8040, 8046, 8090-8110, 8150-8156, 8170-8175, 8180, 8230-8231, 8240-8249, 8340-8347, 8561- 8562, 8580-8671
Photodynamic therapy	ICD 9 procedure code: 99.83
	HCPCS/CPT code: J9600, 96570, 96571
Ablation therapy	HCPCS/CPT code: 31641 (alone)
Surgery therapy	ICD 9 procedure code: 32.09, 32.10, 32.29, 32.30, 32.50, 32.60, 32.40, 32.90, 40.11, 40.19, 32.3, 32.39, 32.1, 32.20, 32.4, 32.41, 32.49, 32.6
	HCPCS/CPT code: 32520, 32500, 32440, 32442, 32445, 32448, 32480, 32482, 32484, 32486, 32999, 38786, 32484, 32657, 32663, 32503, 32504, 32522, 32525
Radiation therapy	ICD 9 dx code: V58.0
	ICD 9 procedure code: 92.2, 92.20–92.29, 92.4, 92.41, 92.3, 92.30–92.39, 92.27
	HCPCS/CPT code: 77371–77372, 77401–77525, 77761–77799, 77000–77999, 79000–79999, S8049, 77373, G0173, G0251, 61793, 0082T, G0339, G0340, 77316– 77318, 77326–77328, 77761–77763, 77776–77778, 77781–77787, 77790, 77799, Q3001, 31643; revenue codes 0330, 0333, 0339
Chemotherapy	ICD 9 dx code: V58.1
	ICD 9 procedure code: 99.25
	HCPCS/CPT code: C1166, C1167, C1178, C9110, C9205, C9207, C9411, G0355, G0356, J7150, C9213–C9216, C9414–C9419, C9420–C9438, G0359–G0362, J8500–J8799, J8999–J9999, Q0083–Q0085, S9325–S9329, S9330–S9379, S9494–S9497; revenue codes 0331, 0332, 0335