ICD-10-CM · Chapter 15 · O00-O9A
O66 Other obstructed labor
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| O66..0 | Obstructed labor due to shoulder dystocia | Yes |
| O66..1 | Obstructed labor due to locked twins | Yes |
| O66..2 | Obstructed labor due to unusually large fetus | Yes |
| O66..3 | Obstructed labor due to other abnormalities of fetus | Yes |
| O66..4 | Failed trial of labor | No |
| O66..40 | Failed trial of labor, unspecified | Yes |
| O66..41 | Failed attempted vaginal birth after previous cesarean delivery | Yes |
| O66..5 | Attempted application of vacuum extractor and forceps | Yes |
| O66..6 | Obstructed labor due to other multiple fetuses | Yes |
| O66..8 | Other specified obstructed labor | Yes |
| O66..9 | Obstructed labor, unspecified | Yes |
Last reviewed: September 2026