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O35 - Maternal care for known or suspected fetal abnormality and damage


The ICD 10 Code for Maternal care for known or suspected fetal abnormality and damage is listed as O35.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: O35
Description: Maternal care for known or suspected fetal abnormality and damage
  • Includes: 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-)
  • 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.
  • 0 - not applicable or unspecified
  • 1 - fetus 1
  • 2 - fetus 2
  • 3 - fetus 3
  • 4 - fetus 4
  • 5 - fetus 5
  • 9 - other fetus
  • Code also any associated maternal condition
Chapter Pregnancy, childbirth and the puerperium (O00-O9A)
ICD-10-CM Children (deeper level / typically more specific) of O35:
O35.0 - Maternal care for (suspected) central nervous system malformation in fetus
O35.1 - Maternal care for (suspected) chromosomal abnormality in fetus
O35.2 - Maternal care for (suspected) hereditary disease in fetus
O35.3 - Maternal care for (suspected) damage to fetus from viral disease in mother
O35.4 - Maternal care for (suspected) damage to fetus from alcohol
O35.5 - Maternal care for (suspected) damage to fetus by drugs
O35.6 - Maternal care for (suspected) damage to fetus by radiation
O35.7 - Maternal care for (suspected) damage to fetus by other medical procedures
O35.8 - Maternal care for other (suspected) fetal abnormality and damage
O35.9 - Maternal care for (suspected) fetal abnormality and damage, unspecified