O33.5XX9 — Maternal care for disproportion due to unusually large fetus, other fetus
O33.5XX9 is a billable, specific ICD-10-CM code for maternal care for disproportion due to unusually large fetus, other fetus. It is valid for submission on a claim.
7th character "9" — other fetus
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.
- 0
- not applicable or unspecified
- 1
- fetus 1
- 2
- fetus 2
- 3
- fetus 3
- 4
- fetus 4
- 5
- fetus 5
- 9
- other fetus
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Maternal care for disproportion due to disproportion of fetal origin with normally formed fetus
- Maternal care for disproportion due to fetal disproportion NOS
Risk adjustment
O33.5XX9 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Related codes at this level
Codes that share O33.5. If O33.5XX9 is not quite right, the correct code is usually one of these.
- O33.5XX0Maternal care for disproportion due to unusually large fetus, not applicable or unspecified
- O33.5XX1Maternal care for disproportion due to unusually large fetus, fetus 1
- O33.5XX2Maternal care for disproportion due to unusually large fetus, fetus 2
- O33.5XX3Maternal care for disproportion due to unusually large fetus, fetus 3
- O33.5XX4Maternal care for disproportion due to unusually large fetus, fetus 4
- O33.5XX5Maternal care for disproportion due to unusually large fetus, fetus 5
Questions about O33.5XX9
- Is O33.5XX9 a billable ICD-10-CM code?
- Yes. O33.5XX9 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does O33.5XX9 sit in the tabular list?
- Pregnancy, childbirth and the puerperium (O00-O9A), in the block Maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48).