Table 4.
Operational definition of serious bleeding.
| Outcome component | Discharge diagnosis descriptor | Discharge diagnosis ICD-9-CM code(s) | Discharge diagnosis position and claim type | Positive predictive value |
|---|---|---|---|---|
| Gastrointestinal bleeding | esophageal ulcer, with hemorrhage | 530.21 | Any-position discharge diagnosis on an inpatient hospitalization claim | ~81% |
| gastric ulcer, with hemorrhage | 531.0X, 531.2X, 531.4X, 531.6X | |||
| duodenal ulcer, with hemorrhage | 532.0X, 532.2X, 532.4X, 532.6X | |||
| peptic ulcer, with hemorrhage | 533.0X, 533.2X, 533.4X, 533.6X | |||
| gastrojejunal ulcer, with hemorrhage | 534.0X, 534.2X, 534.4X, 534.6X | |||
| gastritis and duodenitis, with hemorrhage | 535.01, 535.11, 535.21, 535.31, 535.41, 535.51, 535.61, 535.71 | |||
| other specified disorder of stomach and duodenum, with hemorrhage | 537.83, 537.84 | |||
| diverticula of intestine, with hemorrhage | 562.02, 562.03, 562.12, 562.13 | |||
| other disorders of intestine, with hemorrhage | 569.85, 569.86 | |||
| gastrointestinal hemorrhage | 578.X | |||
| Intracranial hemorrhage | subarachnoid hemorrhage | 430 | Any-position discharge diagnosis on an emergency department or inpatient hospitalization claim | ~77–94% |
| intracerebral hemorrhage | 431 |
ICD-9-CM = international classification of diseases 9th revision clinical modification