Appendix 1

International Classification of Disease version 9 (ICD-9) diagnosis codes used to identify patients with variceal bleeding

ICD-9 Code	Description	
456.0	Esophageal varices with bleeding	
456.1	Esophageal varices without mention of bleeding	
456.2	Esophageal varices in disease classified elsewhere	
456.20	Esophageal varices in disease classified elsewhere, with bleeding	
456.21	Esophageal varices in disease classified elsewhere, without mention of bleeding	
456.8	Varices at other site	
578.0	Hematemesis	
578.9	Hemorrhage of gastrointestinal tract, NOS	

Appendix 2

International Classification of Disease version 9 (ICD-9) and Common Procedural Terminology (CPT) procedure codes used to identify patients with variceal bleeding

Procedure Code	Description	
ICD-9 Codes		
42.33	Endoscopic excision or destruction of lesion or tissue of esophagus	
44.43	Endoscopic control of gastric or duodenal bleeding	
45.13	Other endoscopy of small intestine	
		
CPT Codes		
43200	Esophagoscopy, rigid or flexible: diagnostic with or without collection of specimens by brushing or washing	
43204	Esophagoscopy, rigid or flexible; with injection sclerosis of esophageal varices	
43205	Esophagoscopy, rigid or flexible; with band ligation of esophageal varices	
43227	Esophagoscopy, rigid or flexible; with control of bleeding	
43235	Upper gastrointestinal endoscopy including esophagus, stomach, and either the duodenum and/or jejunum as appropriate; diagnostic with or without collection of specimen by brushing or washing	
43243	Endoscopy including esophagus, stomach, and either the duodenum and/or jejunum as appropriate; with injection sclerosis of esophageal and/or gastric varices	
43244	Endoscopy including esophagus, stomach, and either the duodenum and/or jejunum as appropriate; with band ligation of esophageal sphincter and/or gastric varices