Table 3. Twenty most common primary ICD-9-CM codesa
| Diagnosis Code | Description | N | % of First Hospitalizations |
|---|---|---|---|
| a ICD-9-CM, International Classification of Diseases, Ninth Revision, Clinical Modification. | |||
| 996.1 | Mechanical complication of other (noncardiac) vascular device, implant, and graft | 2423 | 9.8% |
| 585 | Chronic renal failure | 2132 | 8.6% |
| 996.70, 73, and 74 | Other complications of internal prosthetic device, implant, and graft | 1401 | 5.6% |
| 480–486 | Pneumonia | 1086 | 4.4% |
| 276.6 | Fluid overload | 824 | 3.3% |
| 428 | Congestive heart failure | 815 | 3.3% |
| 786.5 | Chest pain | 752 | 3.0% |
| 038.9 | Unspecified septicemia | 630 | 2.5% |
| 578 | Gastrointestinal hemorrhage | 356 | 1.4% |
| 999.9 | Other and unspecified complications of medical care | 271 | 1.1% |
| 681–682 | Cellulitis and abscess | 258 | 1.0% |
| 443 | Peripheral vascular disease | 239 | 1.0% |
| 427.5 | Cardiac arrest | 231 | 0.9% |
| 996.62 | Infection and inflammatory reaction as a result of other (noncardiac) vascular device, implant, and graft | 228 | 0.9% |
| 787.01 | Nausea with vomiting | 205 | 0.8% |
| 410 | Acute myocardial infarction | 198 | 0.8% |
| 413 | Angina pectoris | 171 | 0.7% |
| 780.6 | Fever | 156 | 0.6% |
| 785.4 | Gangrene | 128 | 0.5% |
| 251.2 | Hypoglycemia | 103 | 0.4% |