. 2013 Oct 31;109(11):2917–2923. doi: 10.1038/bjc.2013.689

Table A1. Covarieties definitions by ICD-7 to ICD-10 codes.

	ICD-7 codes	ICD-8 codes	ICD-9 codes	ICD-10 codes
Pancreatic cancer	157^a	157	157^b	C25^b
Lung cancer	162.1^a	162	162^b	C34^b
Chronic obstructive pulmonary disease		491	491	J44
Diabetes mellitus		250	250	E10, E11, E12, E13, E14
Chronic pancreatitis		577.10, 577.19	577B	K86
Acute pancreatitis		577.0	577A	K85
Alcohol abuse		291, 303	291, 303, 305A, V79B	F10, T51

Abbreviation: ICD=International Classification of Disease.

^aUse Cancer Register for identification.

^bUse Cause of Death Register for identification.