Appendix 1: ICD & SEER Codes

The Burden of Digestive Diseases in the United States

Table 1. International Classification of Diseases (ICD) Code Disease Definitions

Source: ICD-9-CM
ICD-9
ICD-10
DISEASE CODE	DIGESTIVE DISEASE	ICD-9-CM Codes for Morbidity	ICD-9 Codes for Mortality (1979–1998)	ICD-10 Codes for Mortality (1999–2004)
1	Gastrointestinal Infections	001–009	001–009	A00–A09
2	Hepatitis A	070.0, 070.1	070.0, 070.1	B15
3	Hepatitis B	1991–present: 070.42, 070.52; All Years: 070.2, 070.3	070.2, 070.3	B16, B17.0, B18.0, B18.1
4	Hepatitis C	1991–present: 070.41, 070.44, 070.51, 070.54, 070.7; Before 1991: 070.4, 070.5	070.4, 070.5	B17.1, B18.2
5	Other Viral Hepatitis	1991– present: 070.43, 070.49, 070.53, 070.59; All Years: 070.6, 070.9	070.6, 070.9	B17.2, B17.8, B18.8, B18.9, B19
2–5	All Viral Hepatitis	—	—	—
6	Esophageal Cancer	150, 151.0	150, 151.0	C15, C16.0
7	Gastric Cancer	151.1–151.9	151.1–151.9	C16.1–C16.9
8	Cancer of Small Intestine	152	152	C17
9	Colorectal Cancer	153, 154	153, 154	C18–C21
10	Primary Liver Cancer	155.0	155.0	C22.0, C22.2–C22.7
11	Bile Duct Cancer	155.1, 156.1–156.9	155.1, 156.1–156.9	C22.1, C24
12	Gallbladder Cancer	156.0	156.0	C23
13	Pancreatic Cancer	157	157	C25
14	Other Digestive Cancers	155.2, 158, 159.0, 159.8, 159.9, 196.2, 197.4–197.8	155.2, 158, 159.0, 159.8, 159.9, 196.2, 197.4–197.8	C22.9, C26.0, C26.8, C26.9, C45.1, C48.0–C48.8, C77.2, C78.4–C78.8
6–14	All Digestive Cancer	—	—	—
15	Hemorrhoids	455	455	I84
16	Gastroesophageal Reflux Disease	530.1–530.3, 530.81	530.1–530.3	K20, K21, K22.1, K22.2
17	Peptic Ulcer Disease	531–534	531–534	K25–K28
18	Chronic Constipation	564.0	564.0	K59.0
19	Irritable Bowel Syndrome	564.1	564.1	K58
20	Other Functional Disorders	536, 564.2–564.9	536, 564.2–564.9	K30, K31.0, K59.1–K59.9, K91.0, K91.1, K91.8
18–20	All Functional Disorders	—	—	—
21	Appendicitis	540–543	540–543	K35–K38
22	Abdominal Wall Hernia	550, 551.0–551.2, 551.8, 551.9, 552.0–552.2, 552.8, 552.9, 553.0–553.2, 553.8, 553.9	550, 551.0–551.2, 551.8, 551.9, 552.0–552.2, 552.8, 552.9, 553.0–553.2, 553.8, 553.9	K40–K43, K45, K46
23	Crohn’s Disease	555	555	K50
24	Ulcerative Colitis	556	556	K51
23–24	All Inflammatory Bowel Diseases	—	—	—
25	Diverticular Disease	562	562	K57
26	Liver Disease	570–573	570–573	K70–K76
27	Gallstones	574	574	K80
28	Pancreatitis	577.0, 577.1	577.0, 577.1	K85, K86.0, K86.1
29	Other Digestive Diseases	014, 017.8, 021.1, 022.2, 032.83, 040.2, 060, 072.3, 072.71, 075, 086.1, 091.1, 091.62, 095.2, 095.3, 098.7, 098.86, 099.52, 099.56, 112.84, 112.85, 120–129, 130.5, 176.3, 211, 230.1–230.9, 235.2–235.5, 239.0, 251.4–251.9, 271.3, 273.4, 275.0, 275.1, 277.01, 277.03, 277.1, 277.4, 279.01, 280.8, 281.0, 286.0–286.5, 286.7, 289.2, 306.4, 307.54, 307.7, 452, 453.0, 456.0–456.2, 530.0, 530.4–530.7, 530.82–530.89, 530.9, 535, 537, 538, 551.3, 552.3, 553.3, 557, 558, 560, 565–569, 575, 576, 577.2, 577.8, 577.9, 578, 579, 643, 646.7, 671.8, 750.3–750.9, 751, 772.4, 773.4, 774.2–774.7, 776.0, 777, 779.3, 782.4, 787, 789.0, 789.1, 789.3–789.9, 792.1, 793.3, 793.4, 793.6, 794.8, 862.22, 862.32, 863, 864, 868.02–868.04, 868.12–868.14, 935.1, 935.2, 936–938, 947.2, 947.3, 973, 988.1, 996.82, 996.86, 996.87, 997.4, V01.0, V02.0–V02.3, V02.6, V03.0, V03.1, V04.4, V05.3, V06.0, V10.00, V10.03–V10.09, V12.7, V16.0, V18.5, V42.7, V42.83, V42.84, V44.1–V44.4, V45.3, V45.72, V45.75, V45.86, V47.3, V53.5, V55.1–V55.4, V58.75, V59.6, V73.4, V74.0, V75.5–V75.7, V76.41, V76.5, E858.4, E870.7, E879.5, E943	014, 017.8, 021.1, 022.2, 040.2, 060, 072.3, 075, 086.1, 091.1, 095.2, 095.3, 098.7, 120–129, 130.5, 176.3, 211, 230.1–230.9, 235.2–235.5, 239.0, 251.4–251.9, 271.3, 273.4, 275.0, 275.1, 277.1, 277.4, 280.8, 281.0, 286.0–286.5, 286.7, 289.2, 306.4, 307.7, 452, 453.0, 456.0–456.2, 530.0, 530.4–530.9, 535, 537, 538, 551.3, 552.3, 553.3, 557, 558, 560, 565–569, 575, 576, 577.2, 577.8, 577.9, 578, 579, 643, 646.7, 671.8, 750.3–750.9, 751, 772.4, 773.4, 774.2–774.7, 776.0, 777, 779.3, 782.4, 787, 789.0, 789.1, 789.3–789.9, 792.1, 793.3, 793.4, 793.6, 794.8, 863, 864, 935.1, 935.2, 936–938, 947.2, 947.3, 973, 988.1, 997.4	A18.3, A21.3, A22.2, A51.1, A54.6, A56.3, A60.1, A74.8, A95, B25.1, B25.2, B26.3, B27, B46.2, B57.3, B58.1, B65–B83, B94.2, D00.1, D00.2, D01, D12, D13, D19.1, D20, D37.1–D37.9, D48.3, D48.4, D50.1, D51.0, D66, D67, D68.0–D68.4, D80.2, E16.3–E16.9, E73, E74.3, E80, E83.0, E83.1, E84.1, E88.0, F50.5, F98.1, I81, I82.0, I85, I86.4, I88.0, I98.2, K22.0, K22.3–K22.9, K23, K29, K31.1–K31.9, K44, K52, K55, K56, K60–K63, K65–K67, K81–K83, K86.2–K86.9, K87, K90, K91.2, K91.5, K91.9, K92, K93 O21, O22.4, O26.6, P53, P54.0–P54.3, P57, P59, P75–P78, P92.0, P92.1, Q39–Q45, R10.0, R10.1, R10.3, R10.4, R11–R15, R16.0, R16.2, R17–R19, R93.2, R93.3, R93.5, R94.5, S36.1–S36.9, T18.1–T18.9, T28.1, T28.2, T28.6, T28.7, T47, T62.0, T85.5, T86.4, Y53, Y60.7, Y84.5, Z11.0, Z11.6, Z12.0, Z12.1, Z20.0, Z20.5, Z22.0, Z22.1, Z22.5, Z23.0, Z23.1, Z24.3, Z24.6, Z27.0, Z43.1–Z43.4, Z46.5, Z52.6, Z80.0, Z83.7, Z85.0, Z87.1, Z90.3, Z90.4, Z93.1–Z94.4, Z98.0
1–29	Any Digestive Disease	—	—	—

Table 2. Surveillance, Epidemiology, and End Results (SEER) Program Site Recodes With SEER Morphology
Codes (ICD-0-3) for Digestive Cancers

Source: Fritz A, Percy C, Jack A, Shanmugaratnam K, Sobin L, Parkin DM, Whelan S, eds. International Classification of Diseases for Oncology. 3rd ed. Geneva, Switzerland: World Health Organization; 2000
DIGESTIVE CODE	CANCER	SEER SITE RECODES (Morphology Codes in Parentheses)
1	Esophageal Cancer, Squamous Cell	21010 (805–808)
2	Esophageal Cancer, Adenocarcinoma	21010 (814–838)
3	Esophageal Cancer, Other	21010 (all other O codes)
1–3	Any Esophageal Cancer	—
4	Gastric Cancer	21020
5	Cancer of Small Intestine	21030
6	Colorectal Cancer	21041–21049, 21051, 21052, 21060
7	Primary Liver Cancer	21071
8	Bile Duct Cancer	21072, 21090
9	Gallbladder Cancer	21080
10	Pancreatic Cancer	21100
11	Other Digestive Cancers (Other Ill Defined)	21110, 21120, 21130
1–11	Any Digestive Cancer	—

Last Reviewed January 2008

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