O33 is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Maternal care for disproportion.
Includes
The listed conditions as a reason for observation, hospitalization or other obstetric care of the mother, or for cesarean delivery before onset of labor
Type 1 excludes
Disproportion with obstructed labor (O65-O66)
Codes
O33.0
Maternal care for disproportion due to deformity of maternal pelvic bones
O33.1
Maternal care for disproportion due to generally contracted pelvis
O33.2
Maternal care for disproportion due to inlet contraction of pelvis
O33.3
Maternal care for disproportion due to outlet contraction of pelvis
O33.4
Maternal care for disproportion of mixed maternal and fetal origin
O33.5
Maternal care for disproportion due to unusually large fetus
O33.6
Maternal care for disproportion due to hydrocephalic fetus
O33.7
Maternal care for disproportion due to other fetal deformities
O33.8
Maternal care for disproportion of other origin
O33.9
Maternal care for disproportion, 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