O66.4
O66.4 — Failed trial of labor
Non-billable headerICD-10-CM
O66.4 is a non-billable header ICD-10-CM code for failed trial of labor. It cannot be billed on its own: choose one of the more specific child codes below.
Risk adjustment
O66.4 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Code to one of these instead O66.4
2 child codes. Green means billable.
Related codes at this level
Codes that share O66. If O66.4 is not quite right, the correct code is usually one of these.
- O66.0Obstructed labor due to shoulder dystocia
- O66.1Obstructed labor due to locked twins
- O66.2Obstructed labor due to unusually large fetus
- O66.3Obstructed labor due to other abnormalities of fetus
- O66.5Attempted application of vacuum extractor and forceps
- O66.6Obstructed labor due to other multiple fetuses
- O66.8Other specified obstructed labor
- O66.9Obstructed labor, unspecified
Questions about O66.4
- Is O66.4 a billable ICD-10-CM code?
- No. O66.4 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does O66.4 sit in the tabular list?
- Pregnancy, childbirth and the puerperium (O00-O9A), in the block Complications of labor and delivery (O60-O77).