O33

Maternal care for disproportion

the listed conditions as a reason for observation, hospitalization or other obstetric care of the mother, or for cesarean delivery before onset of labor

O33.0

Maternal care for disproportion due to deformity of maternal pelvic bones

Maternal care for disproportion due to pelvic deformity causing disproportion NOS

O33.1

Maternal care for disproportion due to generally contracted pelvis

Maternal care for disproportion due to contracted pelvis NOS causing disproportion

O33.2

Maternal care for disproportion due to inlet contraction of pelvis

Maternal care for disproportion due to inlet contraction (pelvis) causing disproportion

O33.3

Maternal care for disproportion due to outlet contraction of pelvis

One of the following 7th characters is to be assigned to code O33.3. 7th character 0 is for single gestations and multiple gestations where the fetus is unspecified. 7th characters 1 through 9 are for cases of multiple gestations to identify the fetus for which the code applies. The appropriate code from category O30, Multiple gestation, must also be assigned when assigning code O33.3 with a 7th character of 1 through 9.

O33.4

Maternal care for disproportion of mixed maternal and fetal origin

One of the following 7th characters is to be assigned to code O33.4. 7th character 0 is for single gestations and multiple gestations where the fetus is unspecified. 7th characters 1 through 9 are for cases of multiple gestations to identify the fetus for which the code applies. The appropriate code from category O30, Multiple gestation, must also be assigned when assigning code O33.4 with a 7th character of 1 through 9.

O33.5

Maternal care for disproportion due to unusually large fetus

Maternal care for disproportion due to disproportion of fetal origin with normally formed fetus
Maternal care for disproportion due to fetal disproportion NOS

One of the following 7th characters is to be assigned to code O33.5. 7th character 0 is for single gestations and multiple gestations where the fetus is unspecified. 7th characters 1 through 9 are for cases of multiple gestations to identify the fetus for which the code applies. The appropriate code from category O30, Multiple gestation, must also be assigned when assigning code O33.5 with a 7th character of 1 through 9.

O33.6

Maternal care for disproportion due to hydrocephalic fetus

One of the following 7th characters is to be assigned to code O33.6. 7th character 0 is for single gestations and multiple gestations where the fetus is unspecified. 7th characters 1 through 9 are for cases of multiple gestations to identify the fetus for which the code applies. The appropriate code from category O30, Multiple gestation, must also be assigned when assigning code O33.6 with a 7th character of 1 through 9.

O33.7

Maternal care for disproportion due to other fetal deformities

One of the following 7th characters is to be assigned to code O33.7. 7th character 0 is for single gestations and multiple gestations where the fetus is unspecified. 7th characters 1 through 9 are for cases of multiple gestations to identify the fetus for which the code applies. The appropriate code from category O30, Multiple gestation, must also be assigned when assigning code O33.7 with a 7th character of 1 through 9.

O33.8

Maternal care for disproportion of other origin

O33.9

Maternal care for disproportion, unspecified