Table 2.
ICD-9-CM Codes Listed in ≥ 5% of 30-Day Hospital Readmissions
| ICD-9-CM Code | No. of Patients | Readmitted Patients With Condition (%) | Medical Condition |
|---|---|---|---|
| 599.0; 998.59; 486 | 308 | 34.7 | Infection |
| 276.5; 267.51; 263.9 | 235 | 34.3 | Volume depletion/dehydration |
| 401.9 | 301 | 33.9 | Hypertension |
| 560.1; 560.9; 787.01; 997.4 | 233 | 26.2 | Ileus, intestinal obstruction, GI complaints |
| 276.8; 276.1 | 205 | 23.1 | Metabolic/electrolyte derangement |
| 285.9 | 109 | 12.3 | Anemia |
| 427.31 | 88 | 9.9 | Atrial fibrillation |
| 511.9 | 85 | 9.6 | Pleural effusion |
| 288.0 | 66 | 7.4 | Neutropenia |
| 428.0 | 58 | 6.5 | Congestive heart failure |
| 584.9 | 48 | 5.4 | Acute kidney injury |
| 789.5 | 47 | 5.3 | Ascites |
| 453.8 | 45 | 5.1 | Acute venous thromboembolism and thrombosis |
Abbreviation: ICD-9-CM, International Classification of Diseases, Ninth Revision, Clinical Modification.