| Source ICD-10 | Mapping Type | Target ICD-9 |
| Recommended Mapping (based on statistical analysis) |
| S06325A (Diagnosis) - Contus/lac left cerebrum w LOC >24 hr w ret consc lev, init (Contusion and laceration of left cerebrum with loss of consciousness greater than 24 hours with return to pre-existing conscious level, initial encounter) | Single To Single | 85184 (Diagnosis) - Brain lac NEC-proln coma (Other and unspecified cerebral laceration and contusion, without mention of open intracranial wound, with prolonged [more than 24 hours] loss of consciousness and return to pre- existing conscious level) |
| CMS/CDC General Equivalence Mappings |
| S06325A (Diagnosis) - Contus/lac left cerebrum w LOC >24 hr w ret consc lev, init (Contusion and laceration of left cerebrum with loss of consciousness greater than 24 hours with return to pre-existing conscious level, initial encounter) | Single To Single | Alternative #1: 85184 (Diagnosis) - Brain lac NEC-proln coma (Other and unspecified cerebral laceration and contusion, without mention of open intracranial wound, with prolonged [more than 24 hours] loss of consciousness and return to pre- existing conscious level) |