O35
Maternal care for known or suspected fetal abnormality and damage
- Release
- FY 2027
- Effective
Official Coding Notes
Reproduced verbatim from the FY 2027 ICD-10-CM files.
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- )
Code Also
any associated maternal condition
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
More Specific Codes
18 codes under O35
- O35.0 Maternal care for (suspected) central nervous system malformation in fetus Has subcodes
- O35.1 Maternal care for (suspected) chromosomal abnormality in fetus Has subcodes
- O35.A Maternal care for other (suspected) fetal abnormality and damage, fetal facial anomalies Has subcodes
- O35.B Maternal care for other (suspected) fetal abnormality and damage, fetal cardiac anomalies Has subcodes
- O35.C Maternal care for other (suspected) fetal abnormality and damage, fetal pulmonary anomalies Has subcodes
- O35.D Maternal care for other (suspected) fetal abnormality and damage, fetal gastrointestinal anomalies Has subcodes
- O35.E Maternal care for other (suspected) fetal abnormality and damage, fetal genitourinary anomalies Has subcodes
- O35.F Maternal care for other (suspected) fetal abnormality and damage, fetal musculoskeletal anomalies of trunk Has subcodes
- O35.G Maternal care for other (suspected) fetal abnormality and damage, fetal upper extremities anomalies Has subcodes
- O35.H Maternal care for other (suspected) fetal abnormality and damage, fetal lower extremities anomalies Has subcodes
- O35.2 Maternal care for (suspected) hereditary disease in fetus Has subcodes
- O35.3 Maternal care for (suspected) damage to fetus from viral disease in mother Has subcodes
- O35.4 Maternal care for (suspected) damage to fetus from alcohol Has subcodes
- O35.5 Maternal care for (suspected) damage to fetus by drugs Has subcodes
- O35.6 Maternal care for (suspected) damage to fetus by radiation Has subcodes
- O35.7 Maternal care for (suspected) damage to fetus by other medical procedures Has subcodes
- O35.8 Maternal care for other (suspected) fetal abnormality and damage Has subcodes
- O35.9 Maternal care for (suspected) fetal abnormality and damage, unspecified Has subcodes
Version History
How O35 appears in each release imported from the official files, newest first.
-
FY 2027 Effective
CurrentMaternal care for known or suspected fetal abnormality and damage
-
FY 2026 Effective
UnchangedMaternal care for known or suspected fetal abnormality and damage
Related Codes
Codes whose official notes reference O35
Data Source
Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.
- Release
- FY 2027
- Effective
- Source file
- icd10cm-code-descriptions-2027.zip
Official ICD-10-CM source files (opens in a new tab)
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