| Recommended Mapping (based on statistical analysis) |
| Source ICD-9 | Mapping Type | Target ICD-10 |
| 66000 (Diagnosis) - Obstruct/fet malpos-unsp (Obstruction caused by malposition of fetus at onset of labor, unspecified as to episode of care or not applicable) | Single To Single | O649XX0 (Diagnosis) - Obstructed labor due to malpos and malpresent, unsp, unsp (Obstructed labor due to malposition and malpresentation, unspecified, not applicable or unspecified) |
| CMS/CDC General Equivalence Mappings |
| 66000 (Diagnosis) - Obstruct/fet malpos-unsp (Obstruction caused by malposition of fetus at onset of labor, unspecified as to episode of care or not applicable) | Single To Single | Alternative #1: O649XX0 (Diagnosis) - Obstructed labor due to malpos and malpresent, unsp, unsp (Obstructed labor due to malposition and malpresentation, unspecified, not applicable or unspecified) |