O31.31 — Continuing pregnancy after elective fetal reduction of one fetus or more, first trimester
O31.31 is a non-billable header ICD-10-CM code for continuing pregnancy after elective fetal reduction of one fetus or more, first trimester. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.
This code requires a 7th character
One of the following 7th characters is to be assigned to each code under category O31. 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 a code from category O31 that has 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
Risk adjustment
O31.31 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.
Code to one of these instead O31.31
7 child codes. Green means billable.
- O31.31X0Continuing pregnancy after elective fetal reduction of one fetus or more, first trimester, not applicable or unspecified
- O31.31X1Continuing pregnancy after elective fetal reduction of one fetus or more, first trimester, fetus 1
- O31.31X2Continuing pregnancy after elective fetal reduction of one fetus or more, first trimester, fetus 2
- O31.31X3Continuing pregnancy after elective fetal reduction of one fetus or more, first trimester, fetus 3
- O31.31X4Continuing pregnancy after elective fetal reduction of one fetus or more, first trimester, fetus 4
- O31.31X5Continuing pregnancy after elective fetal reduction of one fetus or more, first trimester, fetus 5
- O31.31X9Continuing pregnancy after elective fetal reduction of one fetus or more, first trimester, other fetus
Related codes at this level
Codes that share O31.3. If O31.31 is not quite right, the correct code is usually one of these.
Questions about O31.31
- Is O31.31 a billable ICD-10-CM code?
- No. O31.31 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does O31.31 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).