Table 2 Details of the false positive patients determined by the ICD9-CM algorithm
Number | Diagnosis | Operation | ICD9-CM Procedure Code | ICD9-CM Diagnosis Code |
|---|---|---|---|---|
1 | Left ICH after TPA administration for left MCA stroke | Left decompressive craniectomy and evacuation of hematoma | 01.24 | 434.91 |
2 | Right temporal ICH | Right frontotemporal craniotomy for evacuation of hematoma | 01.39 | 434.11 |
3 | Right frontoparietal ICH | Right decompressive craniectomy and evacuation of hematoma, left frontal ventriculostomy | 01.24 | 434.11 |
4 | R frontal ICH | Right frontal craniotomy for evacuation of hematoma | 01.39 | 434.91 |
5 | Left parietal ICH secondary to disseminated aspergillosis with refractory intracranial hypertension | Left decompressive craniectomy | 01.25 | 434.11 |
6 | Right frontal ICH | Right frontotemporal craniotomy for evacuation of hematoma | 01.39 | 434.91 |