O35 Maternal care for known or suspected fetal abnormality and damage

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

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 definitions: not applicable or unspecified
fetus 1
fetus 2
fetus 3
fetus 4
fetus 5
other fetus

Code also: any associated maternal condition