ICD-10 diagnosis code

O35 Maternal care for known or suspected fetal abnormality and damage

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O35 is the ICD-10 code for Maternal care for known or suspected fetal abnormality and damage. It is a three-character category divided into 10 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block O30–O48 (Maternal care related to the fetus and amniotic cavity and possible delivery problems) in Chapter XV, Pregnancy, childbirth and the puerperium.

Code type
Category (3 characters)
Chapter
XV · O00–O99
Classification
WHO ICD-10, 2019 version

What O35 includes

Conditions and terms that are coded here.

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

What O35 excludes

Conditions that look similar but belong under another code.

  • maternal care for known or suspected disproportion O33.-

Subcodes of O35

O35 in national editions

Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.

DenmarkICD-10-DK

DO35Graviditet med erkendt eller mistænkt unormalt eller beskadiget foster

FinlandICD-10-FI

O35Äidin hoito raskauden aikana sikiön tiedetyn tai epäillyn poikkeavuuden tai vaurion vuoksi

GermanyICD-10-GM

O35Betreuung der Mutter bei festgestellter oder vermuteter Anomalie oder Schädigung des Fetus

FranceICD-10-FR

O35Soins maternels pour anomalie et lésion fœtales, connues ou présumées

NetherlandsICD-10-NL

O35indicaties voor zorg bij moeder wegens bekende of vermoede afwijking

United StatesICD-10-CM

Listed through more specific codes:

  • O35.AXX0Maternal care for other (suspected) fetal abnormality and damage, fetal facial anomalies, not applicable or unspecified
  • O35.AXX1Maternal care for other (suspected) fetal abnormality and damage, fetal facial anomalies, fetus 1
  • O35.AXX2Maternal care for other (suspected) fetal abnormality and damage, fetal facial anomalies, fetus 2
  • O35.AXX3Maternal care for other (suspected) fetal abnormality and damage, fetal facial anomalies, fetus 3
  • O35.AXX4Maternal care for other (suspected) fetal abnormality and damage, fetal facial anomalies, fetus 4
  • O35.AXX5Maternal care for other (suspected) fetal abnormality and damage, fetal facial anomalies, fetus 5
  • O35.AXX9Maternal care for other (suspected) fetal abnormality and damage, fetal facial anomalies, other fetus
  • O35.BXX0Maternal care for other (suspected) fetal abnormality and damage, fetal cardiac anomalies, not applicable or unspecified
  • and 48 more national subcodes

Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.

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