Table 1 International classification of diseases, 9th edition, clinical modification (ICD-9-CM) codes used to identify conditions
Condition | Code type | Codes |
|---|---|---|
Cerebrovascular disease | ICD-9-CM diagnosis | 430-437.1, 437.3-438.xx |
Congestive heart failure | ICD-9-CM diagnosis | 428.xx, 398.91, 402.01, 402.11, 402.91, 404.01, 404.03, 404.11, 404.13, 404.91, 404.93 |
Chronic obstructive pulmonary disease | ICD-9-CM diagnosis | 491.x-492.x, 496 |
Depression | ICD-9-CM diagnosis | 296.2x, 296.3x, 298.0, 300.4, 309.0, 309.1, 309.28, 311 |
Diabetes | ICD-9-CM diagnosis | 250.xx, 357.2, 362.0x, 366.41, 648.0x |
Hip fracture | ICD-9-CM diagnosis | 820.xx |
Hypertension | ICD-9-CM diagnosis | 401.xx-405.xx, 437.2 |
Liver disease | ICD-9-CM diagnosis | 571.2, 571.4-571.49, 571.5, 571.6, 571.8, 571.9, 572.2-572.8, 456.0-456.21, V42.7 |
Myocardial infarction | ICD-9-CM diagnosis | 410.xx, 411.0, 412.xx, 429.7x |
Osteoarthritis | ICD-9-CM diagnosis | 715.xx |
Osteoporosis | ICD-9-CM diagnosis | 733.xx |
Renal disease | ICD-9-CM diagnosis | 285.21, 403.xx-404.xx, 405.01, 405.11, 405.91, 458.21, 582.xx, 583.xx, 585, 586, 588.xx, 593.71-593.73, V42.0 |