| Descriptiona | Code Type | Code |
| Unstable angina (intermediate coronary syndrome) | ICD-9-CM diagnosis | 411.1 |
| Myocardial infarction | ICD-9-CM diagnosis | 410.xx, 412 |
| Cerebrovascular disease (stroke) | ICD-9-CM diagnosis | 430.x-438.x |
| Percutaneous coronary intervention (PCI) | ICD-9-CM procedure | 36.09, 00.66 |
| Coronary artery bypass (CABG) | ICD-9-CM procedure | 36.10, 36.11, 36.12, 36.13, 36.14, 36.15, 36.16, 36.17, 36.19, 36.20 |
| Carotid revascularization | ICD-9-CM procedure | 36.2, 36.3, 36.31, 36.32, 36.33, 36.34, 36.39 |
| Transient ischemic attack (TIA) | ICD-9-CM diagnosis | 435, 435.8, 435.9 |
| Peripheral artery and vascular disease (PAD/PVD) | ICD-9-CM diagnosis | 443.89, 443.9 |
| Perphieral bypass surgery | ICD-9-CM procedure | 39.2, 39.50, 00.55, 00.63, 36.06, 39.90 |
| Revascularization procedure | CPT | 33140, 33141, 33510-33519, 33521-33523, 33533-33536, 37220-37235, 92920-92944, 92973, 92980-92984, 92995-92996 |
| Revascularization procedure | HCPCS | S2205, S2206, S2207, S2208, S2209 |
| Diabetes | ICD-9-CM diagnosis | 250.xx |
| End-stage renal disease (ESRD)/chronic kidney disease stage V/dialysis (18 yrs+) | ICD-9-CM diagnosis | 403.01, 403.11, 403.91, 404.02, 404.03, 404.12, 404.13, 404.92, 404.93, 585.5, 585.6, v45.1, v45.11, v45.12 |
| End-stage renal disease (ESRD)/chronic kidney disease stage V/dialysis (18 yrs+) | ICD-9-CM procedure | 38.95, 39.27, 39.42, 39.43, 39.53, 39.95, 54.98, |
| End-stage renal disease (ESRD)/chronic kidney disease stage V/dialysis (18 yrs+) | CPT | 36147, 36148, 36800, 36810, 36815, 36831-36833, 36838, 90935, 90937, 90940, 90945, 90947, 90957-90962, 90965, 90966, 90969, 90970, 90989, 90993, 90997, 90999, 99512 |
| End-stage renal disease (ESRD)/chronic kidney disease stage V/dialysis (18 yrs+) | HCPCS | G0257, S9339 |
| Heart failure | ICD-9-CM diagnosis | 428.xx, 402.01, 402.11, 402.91, 404.01, 404.03, 404.11, 404.13, 404.91, 404.93, 398.91, 425.4x–425.9x |
a Coronary artery disease/atherosclerosis diagnoses were not included (ICD-9-CM 414.0x, 414, 414.2, 414.3, 414.4, 414.8, 414.9, 440.xx).
CPT = Current Procedural Terminology; HCPCS = Healthcare Common Procedure Coding System; ICD-9-CM = International Classification of Diseases, Ninth Revision, Clinical Modification.