O33.4XX0 – Maternal care for disproportion of mixed maternal and fetal origin, not applicable or unspecified
ICD-10-CM 2027 diagnosis code · Maternal care related to the fetus and amniotic cavity and possible delivery problems
- Code
O33.4XX0(claims format:O334XX0)- Description
- Maternal care for disproportion of mixed maternal and fetal origin, not applicable or unspecified
- Short description
- Matern care for disproprtn of mix matern & fetl origin, unsp
- Billable
- Yes – valid for HIPAA-covered transactions
- 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 › O33.4
7th character values
Codes in this category need a 7th character to describe the encounter or episode of care.
| 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 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
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.
Related codes in O33.4
- O33.4XX1 – Maternal care for disproportion of mixed maternal and fetal origin, fetus 1Billable
- O33.4XX2 – Maternal care for disproportion of mixed maternal and fetal origin, fetus 2Billable
- O33.4XX3 – Maternal care for disproportion of mixed maternal and fetal origin, fetus 3Billable
- O33.4XX4 – Maternal care for disproportion of mixed maternal and fetal origin, fetus 4Billable
- O33.4XX5 – Maternal care for disproportion of mixed maternal and fetal origin, fetus 5Billable
- O33.4XX9 – Maternal care for disproportion of mixed maternal and fetal origin, other fetusBillable
Frequently asked questions
What is ICD-10 code O33.4XX0?
O33.4XX0 is the ICD-10-CM code for maternal care for disproportion of mixed maternal and fetal origin, not applicable or unspecified, in the block O30-O48 (Maternal care related to the fetus and amniotic cavity and possible delivery problems).
Is O33.4XX0 a billable code?
Yes. O33.4XX0 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does O33.4XX0 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.