O33.7 – Maternal care for disproportion due to other fetal deformities
ICD-10-CM 2027 diagnosis code · Maternal care related to the fetus and amniotic cavity and possible delivery problems
- Code
O33.7(claims format:O337)- Description
- Maternal care for disproportion due to other fetal deformities
- Short description
- Maternal care for disproportion due to oth fetal deformities
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 15. Pregnancy, childbirth and the puerperium (O00-O9A)
- Block
- O30-O48 Maternal care related to the fetus and amniotic cavity and possible delivery problems
- Parent codes
- O33
Billable codes under O33.7
O33.7 is a header code and cannot be used on claims. Choose the most specific code:
- O33.7XX0 – Maternal care for disproportion due to other fetal deformities, not applicable or unspecifiedBillable
- O33.7XX1 – Maternal care for disproportion due to other fetal deformities, fetus 1Billable
- O33.7XX2 – Maternal care for disproportion due to other fetal deformities, fetus 2Billable
- O33.7XX3 – Maternal care for disproportion due to other fetal deformities, fetus 3Billable
- O33.7XX4 – Maternal care for disproportion due to other fetal deformities, fetus 4Billable
- O33.7XX5 – Maternal care for disproportion due to other fetal deformities, fetus 5Billable
- O33.7XX9 – Maternal care for disproportion due to other fetal deformities, other fetusBillable
7th character values
Codes in this category need a 7th character to describe the encounter or episode of care (use placeholder X for empty positions).
| Character | Meaning |
|---|---|
0 | not applicable or unspecified |
1 | fetus 1 |
2 | fetus 2 |
3 | fetus 3 |
4 | fetus 4 |
5 | fetus 5 |
9 | other fetus |
Notes for O33.7
- 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
- obstructed labor due to other fetal deformities (O66.3)
- 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.
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
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
Index terms for O33.7
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in O33
- O33.0 – Maternal care for disproportion due to deformity of maternal pelvic bonesBillable
- O33.1 – Maternal care for disproportion due to generally contracted pelvisBillable
- O33.2 – Maternal care for disproportion due to inlet contraction of pelvisBillable
- O33.3 – Maternal care for disproportion due to outlet contraction of pelvisHeader
- O33.4 – Maternal care for disproportion of mixed maternal and fetal originHeader
- O33.5 – Maternal care for disproportion due to unusually large fetusHeader
- O33.6 – Maternal care for disproportion due to hydrocephalic fetusHeader
- O33.8 – Maternal care for disproportion of other originBillable
- O33.9 – Maternal care for disproportion, unspecifiedBillable
Frequently asked questions
What is ICD-10 code O33.7?
O33.7 is the ICD-10-CM code for maternal care for disproportion due to other fetal deformities, in the block O30-O48 (Maternal care related to the fetus and amniotic cavity and possible delivery problems).
Is O33.7 a billable code?
No. O33.7 is a header code with more specific child codes; report one of the billable codes listed above.
What category does O33.7 belong to?
It belongs to category O33 – Maternal care for disproportion.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.