HealthAssure
HealthAssureGood Life
ICD10BillableValid for clinical use

ICD-10 Code O35.9: Maternal care for (suspected) fetal abnormality and damage, unspecified

O35.9 is a billable ICD-10 diagnosis code used to classify Maternal care for (suspected) fetal abnormality and damage, unspecified in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Pregnancy, childbirth and the puerperium (O00-O9A).

Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Pregnancy, childbirth and the puerperium (O00-O9A).

When is it used?

  • May be used when a clinician documents maternal care for (suspected) fetal abnormality and damage, unspecified in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
15Pregnancy, childbirth and the puerperium (O00-O9A)
block
O30-O48Maternal care related to the fetus and amniotic cavity and possible delivery problems
category
O35Maternal care for known or suspected fetal abnormality and damage
currentO35

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

ObstetricianGynecologist

Related codes

O35.0Maternal care for (suspected) central nervous system malformation in fetuscategoryO35.1Maternal care for (suspected) chromosomal abnormality in fetuscategoryO35.AMaternal care for other (suspected) fetal abnormality and damage, fetal facial anomaliescodeO35.BMaternal care for other (suspected) fetal abnormality and damage, fetal cardiac anomaliescodeO35.CMaternal care for other (suspected) fetal abnormality and damage, fetal pulmonary anomaliescodeO35.DMaternal care for other (suspected) fetal abnormality and damage, fetal gastrointestinal anomaliescodeO35.EMaternal care for other (suspected) fetal abnormality and damage, fetal genitourinary anomaliescodeO35.FMaternal care for other (suspected) fetal abnormality and damage, fetal musculoskeletal anomalies of trunkcodeO35.GMaternal care for other (suspected) fetal abnormality and damage, fetal upper extremities anomaliescodeO35.HMaternal care for other (suspected) fetal abnormality and damage, fetal lower extremities anomaliescodeO35.2Maternal care for (suspected) hereditary disease in fetuscodeO35.3Maternal care for (suspected) damage to fetus from viral disease in mothercode

Sibling codes

O35.0Maternal care for (suspected) central nervous system malformation in fetusO35.1Maternal care for (suspected) chromosomal abnormality in fetusO35.AMaternal care for other (suspected) fetal abnormality and damage, fetal facial anomaliesbillableO35.BMaternal care for other (suspected) fetal abnormality and damage, fetal cardiac anomaliesbillableO35.CMaternal care for other (suspected) fetal abnormality and damage, fetal pulmonary anomaliesbillableO35.DMaternal care for other (suspected) fetal abnormality and damage, fetal gastrointestinal anomaliesbillableO35.EMaternal care for other (suspected) fetal abnormality and damage, fetal genitourinary anomaliesbillableO35.FMaternal care for other (suspected) fetal abnormality and damage, fetal musculoskeletal anomalies of trunkbillableO35.GMaternal care for other (suspected) fetal abnormality and damage, fetal upper extremities anomaliesbillableO35.HMaternal care for other (suspected) fetal abnormality and damage, fetal lower extremities anomaliesbillableO35.2Maternal care for (suspected) hereditary disease in fetusbillableO35.3Maternal care for (suspected) damage to fetus from viral disease in motherbillableO35.4Maternal care for (suspected) damage to fetus from alcoholbillableO35.5Maternal care for (suspected) damage to fetus by drugsbillableO35.6Maternal care for (suspected) damage to fetus by radiationbillableO35.7Maternal care for (suspected) damage to fetus by other medical proceduresbillableO35.8Maternal care for other (suspected) fetal abnormality and damagebillable

Coding guidelines

Compatibility

Legacy and official ICD code match exactly.
Legacy codes
O35.9

Common synonyms

Maternal care for (suspected) fetal abnormality and damage, unspecifiedMaternal care for (suspected) fetal abnormality and damageMaternal care forMaternal care for suspected fetal abnormality and damage, unspecified

Frequently asked questions

Code details

CodeO35.9
SystemICD10
Display nameMaternal care for (suspected) fetal abnormality and damage, unspecified
ChapterPregnancy, childbirth and the puerperium (O00-O9A)
BlockMaternal care related to the fetus and amniotic cavity and possible delivery problems

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Pregnancy(single) (uterine)

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

ICD-10 Code O35.9 for Maternal care for (suspected) fetal abnormality and damage, unspecified | HealthAssure