MedCodeSearch
Current

O35 Maternal care for known or suspected fetal abnormality and damage

Part of Chapter 15: Pregnancy, childbirth and the puerperium , block Maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48) .

Official Notes

Includes

the listed conditions in the fetus as a reason for hospitalization or other obstetric care to the mother, or for termination of pregnancy

Code Also

any associated maternal condition

Excludes1

encounter for suspected maternal and fetal conditions ruled out ( Z03.7- )

7th Character

One of the following 7th characters is to be assigned to each code under category O35. 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 O35 that has a 7th character of 1 through 9.

7th Character

0 - not applicable or unspecified

7th Character

1 - fetus 1

7th Character

2 - fetus 2

7th Character

3 - fetus 3

7th Character

4 - fetus 4

7th Character

5 - fetus 5

7th Character

9 - other fetus

Child Codes

Referenced By

Official notes on these codes cite O35.

FY 2027 effective October 1, 2026 · CDC NCHS and CMS