Appendix A.2.

ICD-9-CM codes used to identify other comorbid conditions during the entry period

ConditionICD-9-CM Diagnosis Codes
Atherosclerotic heart disease410-414; V45.81; V45.82
Congestive heart failure398.91; 422; 425; 428; 402.x1; 404.x1; 404.x3; V42.1
Cerebrovascular disease430-438
Peripheral vascular disease440-444; 447; 451-453; 557
Other cardiac420-421; 423-424; 429; 785.0-785.3; V42.2; V43.3
Chronic obstructive pulmonary disease491-494; 496; 510
Gastrointestinal disease456.0-456.2; 530.7; 531-534; 569.84; 569.85; 578
Liver disease570; 571; 572.1; 572.4; 573.1-573.3; V42.7
Cardiac dysrhythmia426-427; V45.0; V53.3
Malignancy140-172; 174-208; 230-231; 233-234
Diabetes250; 357.2; 362.0x; 366.41
Anemia280-285
Hypertension362.11; 401.x-405.x; 437.2