Current
O33 — Maternal care for disproportion
Part of Chapter 15: Pregnancy, childbirth and the puerperium , block Maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48) .
Official Notes
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
Excludes1
disproportion with obstructed labor (O65-O66)
Child Codes
- O33.0 Maternal care for disproportion due to deformity of maternal pelvic bones Billable
- O33.1 Maternal care for disproportion due to generally contracted pelvis Billable
- O33.2 Maternal care for disproportion due to inlet contraction of pelvis Billable
- O33.3 Maternal care for disproportion due to outlet contraction of pelvis Has subcodes
- O33.4 Maternal care for disproportion of mixed maternal and fetal origin Has subcodes
- O33.5 Maternal care for disproportion due to unusually large fetus Has subcodes
- O33.6 Maternal care for disproportion due to hydrocephalic fetus Has subcodes
- O33.7 Maternal care for disproportion due to other fetal deformities Has subcodes
- O33.8 Maternal care for disproportion of other origin Billable
- O33.9 Maternal care for disproportion, unspecified Billable
Referenced By
Official notes on these codes cite O33.
FY 2027 effective October 1, 2026 · CDC NCHS and CMS