Ten most expensive conditions for non–high-cost users with unplanned index hospital admissions
| Condition | ICD-10-CA code* | Inpatient cost, $ | No. (%) of patients n = 8838 | Average cost, $ | Cumulative to total unplanned costs, % |
|---|---|---|---|---|---|
| Pneumonia | J18 | 1 970 228.65 | 439 (5.0) | 4487.99 | 5.9 |
| Chronic obstructive pulmonary disease | J44 | 1 448 358.06 | 304 (3.4) | 4764.34 | 10.3 |
| Syncope and collapse | R55 | 1 337 333.96 | 432 (4.9) | 3095.68 | 14.4 |
| Atrial fibrillation and flutter | I48 | 1 120 050.76 | 316 (3.6) | 3544.46 | 17.7 |
| Disorders of urinary system | N39 | 1 115 864.19 | 267 (3.0) | 4179.27 | 21.1 |
| Heart failure | I50 | 1 114 152.33 | 235 (2.7) | 4741.07 | 24.5 |
| Pain in throat and chest | R07 | 1 040 653.40 | 373 (4.2) | 2789.96 | 27.6 |
| Paralytic ileus and intestinal obstruction | K56 | 887 672.60 | 266 (3.0) | 3337.12 | 30.3 |
| Cerebral infarction | I63 | 834 442.33 | 153 (1.7) | 5453.87 | 32.8 |
| Other medical care | Z51 | 818 227.58 | 266 (3.0) | 3076.04 | 35.3 |
Note: ICD-10-CA = International Statistical Classification of Diseases and Related Health Problems, 10th revision, enhanced Canadian version, SD = standard deviation.
↵* Fifty-three ICD-10-CA codes accounted for 75% of the total costs associated with unplanned index hospital admissions; 435 ICD-10-CA codes accounted for 100% of the total costs associated with unplanned index hospital admissions.