Codes to identify patient encounters, procedures, and GI cancers
Visits
Emergency department	CPT codes: 99281, 99282, 99283, 99284, 99285
	HCPS codes: G0382, G0381, G0383, G0380
Ambulatory	TNX Visit: Ambulatory
	CPT codes: 99211, 99212, 99213, 99214, 99215, 99201, 99202, 99203, 99204, 99205, 99024, 99495, 99496
	HCPS codes: G0463, G0438, G0439, T1015, G0466, G0467, G0468, G9050, G9051, G9052, G9054, G9055
Virtual	TNX Visit: Virtual
	CPT codes: 99441, 99442, 99443, 99444, 1018510, 98966, 98967, 98968, 99446, 99447, 99448, 99449, 99451, 99452, 1035156,1018515
	HCPS codes: G0406, G0407, G0408, G0509, G0425, G0426, G0427, Q3014
Inpatient	TNX Inpatient Encounter, Short Stay, Inpatient Acute, Inpatient Non-Acute, Observation Encounter
	CPT codes: 99251, 99252, 99253, 99254, 99255, 1013659, 1013660, 1013661, 1013699, 1013700, 99217, 1013675, 99231, 99232, 99233, 99234, 99235, 99236, 1013800, 99356, 99221, 99222, 99223, 1019140, 1013729, 1014309, 99291, 99292
	HCPS codes: Q5005, G0408, G0406, G0407
Procedures
Colonoscopy	CPT codes: 1022231, 45380, 45378, 45385, 45380, 45384, 45390, 45381, 45388, 45386, 44389, 44394, 1007534, 44388, 45391, 44392,
	HCPCS codes: G0105, G0121, 45393, G0120, G9935, G9936, G9933, G9937
	ICD-10 code: 0DJD8ZZ
Upper endoscopy	CPT codes: 1021431, 1007260, 43239, 43235, 43249, 43259, 1021430, 43248, 1007242, 43242, 43237, 43200, 43251, 43238, 43245, 43253, 43226, 43233, 43252, 43229, 43205, 43197, 43212, 43213, 43217, 43206
	ICD 10 codes: 0DJ08ZZ, 0DB68ZX, 0DB98ZX, 0DB58ZX, 0D968ZX, 0D958ZX, 0D998ZX
Abdominal ultrasound	CPT codes: 76705, 1010775, 76700
	ICD-10 codes: BD47ZZZ, BF4CZZZ, BF40ZZZ, BF43ZZZ, BF45ZZZ, BF46ZZZ, BF45, BF46
Endoscopic ultrasound	CPT codes: 43231, 43232, 43237, 43238, 43242, 43253, 43259, 44406, 44407, 45341, 45342, 45391, 45392
Endoscopic retrograde cholangiopancreatography	CPT codes: 1007283, 1021432, 43260, 43261, 43262, 43263, 43264, 43265, 43274, 43275, 43276, 43277, 43278
	ICD-10 codes: BF110ZZ, BF111ZZ, BF11YZZ
Diagnoses
GI cancers	Malignant neoplasm of esophagus (C15), Malignant neoplasm of stomach (C16), Malignant neoplasm of pancreas (C25), Malignant neoplasm of gallbladder (C23), Malignant neoplasm of other and unspecific parts of the biliary tract (C24), Malignant neoplasm of liver and intrahepatic parts of the biliary tract (C22), Malignant neoplasm of colon (C18), Malignant neoplasm of rectosigmoid (C19), Malignant neoplasm of rectum (C20) (colorectal cancer).