ICD-10-CM Book 2024 Edition

Chapters  /  Chapter 15  /  O30-O48  /  O33
O33 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
Excludes1 disproportion with obstructed labor (O65-O66)
O33.0 Maternal care for disproportion due to deformity of maternal pelvic bones
Maternal care for disproportion due to pelvic deformity causing disproportion NOS
sex Female
age Maternity: [12-55]
O33.1 Maternal care for disproportion due to generally contracted pelvis
Maternal care for disproportion due to contracted pelvis NOS causing disproportion
sex Female
age Maternity: [12-55]
O33.2 Maternal care for disproportion due to inlet contraction of pelvis
Maternal care for disproportion due to inlet contraction (pelvis) causing disproportion
sex Female
age Maternity: [12-55]
O33.3 Maternal care for disproportion due to outlet contraction of pelvis
Maternal care for disproportion due to mid-cavity contraction (pelvis)
Maternal care for disproportion due to outlet contraction (pelvis)
char7Note 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.
char7Def 0: not applicable or unspecified
1: fetus 1
2: fetus 2
3: fetus 3
4: fetus 4
5: fetus 5
9: other fetus
O33.4 Maternal care for disproportion of mixed maternal and fetal origin
char7Note 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.
char7Def 0: not applicable or unspecified
1: fetus 1
2: fetus 2
3: fetus 3
4: fetus 4
5: fetus 5
9: other fetus
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
char7Note 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.
char7Def 0: not applicable or unspecified
1: fetus 1
2: fetus 2
3: fetus 3
4: fetus 4
5: fetus 5
9: other fetus
O33.6 Maternal care for disproportion due to hydrocephalic fetus
char7Note 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.
char7Def 0: not applicable or unspecified
1: fetus 1
2: fetus 2
3: fetus 3
4: fetus 4
5: fetus 5
9: other fetus
O33.7 Maternal care for disproportion due to other fetal deformities
Maternal care for disproportion due to fetal ascites
Maternal care for disproportion due to fetal hydrops
Maternal care for disproportion due to fetal meningomyelocele
Maternal care for disproportion due to fetal sacral teratoma
Maternal care for disproportion due to fetal tumor
char7Note 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.
char7Def 0: not applicable or unspecified
1: fetus 1
2: fetus 2
3: fetus 3
4: fetus 4
5: fetus 5
9: other fetus
Excludes1 obstructed labor due to other fetal deformities (O66.3)
O33.8 Maternal care for disproportion of other origin
sex Female
age Maternity: [12-55]
O33.9 Maternal care for disproportion, unspecified
Maternal care for disproportion due to cephalopelvic disproportion NOS
Maternal care for disproportion due to fetopelvic disproportion NOS
sex Female
age Maternity: [12-55]