O66 is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Other obstructed labor.
Codes
O66.0
Obstructed labor due to shoulder dystocia
O66.1
Obstructed labor due to locked twins
O66.2
Obstructed labor due to unusually large fetus
O66.3
Obstructed labor due to other abnormalities of fetus
O66.4
Failed trial of labor
O66.5
Attempted application of vacuum extractor and forceps
O66.6
Obstructed labor due to other multiple fetuses
O66.8
Other specified obstructed labor
O66.9
Obstructed labor, unspecified
Versions
2025
No changes
2024
No changes
2023
No changes
2022
No changes
2021
No changes
2020
No changes
2019
No changes
2018
No changes
2017
No changes
2016
New code