| O65 | Obstructed labor due to maternal pelvic abnormality | NON-BILLABLE CODE |
| O65.1 | Obstructed labor due to generally contracted pelvis | BILLABLE CODE |
| O65.2 | Obstructed labor due to pelvic inlet contraction | BILLABLE CODE |
| O65.3 | Obstructed labor due to pelvic outlet and mid-cavity contraction | BILLABLE CODE |
| O65.4 | Obstructed labor due to fetopelvic disproportion, unspecified | BILLABLE CODE |
| O65.5 | Obstructed labor due to abnormality of maternal pelvic organs | BILLABLE CODE |
| O65.8 | Obstructed labor due to other maternal pelvic abnormalities | BILLABLE CODE |
| O65.9 | Obstructed labor due to maternal pelvic abnormality, unspecified | BILLABLE CODE |
