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ICD10BillableValid for clinical use

ICD-10 Code O35.00: Maternal care for (suspected) central nervous system malformation or damage in fetus, unspecified

O35.00 is a billable ICD-10 diagnosis code used to classify Maternal care for (suspected) central nervous system malformation or damage in fetus, 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 21 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) central nervous system malformation or damage in fetus, 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
category
O35.0Maternal care for (suspected) central nervous system malformation in fetus
currentO35.0

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

O35.01Maternal care for (suspected) central nervous system malformation or damage in fetus, agenesis of the corpus callosumcodeO35.02Maternal care for (suspected) central nervous system malformation or damage in fetus, anencephalycodeO35.03Maternal care for (suspected) central nervous system malformation or damage in fetus, choroid plexus cystscodeO35.04Maternal care for (suspected) central nervous system malformation or damage in fetus, encephalocelecodeO35.05Maternal care for (suspected) central nervous system malformation or damage in fetus, holoprosencephalycodeO35.06Maternal care for (suspected) central nervous system malformation or damage in fetus, hydrocephalycodeO35.07Maternal care for (suspected) central nervous system malformation or damage in fetus, microcephalycodeO35.08Maternal care for (suspected) central nervous system malformation or damage in fetus, spina bifidacodeO35.09Maternal care for (suspected) other central nervous system malformation or damage in fetuscode

Sibling codes

O35.01Maternal care for (suspected) central nervous system malformation or damage in fetus, agenesis of the corpus callosumbillableO35.02Maternal care for (suspected) central nervous system malformation or damage in fetus, anencephalybillableO35.03Maternal care for (suspected) central nervous system malformation or damage in fetus, choroid plexus cystsbillableO35.04Maternal care for (suspected) central nervous system malformation or damage in fetus, encephalocelebillableO35.05Maternal care for (suspected) central nervous system malformation or damage in fetus, holoprosencephalybillableO35.06Maternal care for (suspected) central nervous system malformation or damage in fetus, hydrocephalybillableO35.07Maternal care for (suspected) central nervous system malformation or damage in fetus, microcephalybillableO35.08Maternal care for (suspected) central nervous system malformation or damage in fetus, spina bifidabillableO35.09Maternal care for (suspected) other central nervous system malformation or damage in fetusbillable

Coding guidelines

Common synonyms

Maternal care for (suspected) central nervous system malformation or damage in fetus, unspecifiedMaternal care for (suspected) central nervous system malformation or damage in fetusMaternal care forMaternal care for suspected central nervous system malformation or damage in fetus, unspecified

Frequently asked questions

Code details

CodeO35.00
SystemICD10
Display nameMaternal care for (suspected) central nervous system malformation or damage in fetus, 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)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 O35.00 for Maternal care for (suspected) central nervous system malformation or damage in fetus, unspecified | HealthAssure