O35 ICD-10-CM Code: Maternal care for known or suspected fetal abnormality and damage
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
O35Maternal care for known or suspected fetal abnormality and damage
ICD-10-CM diagnosis code · United States clinical modification
Where O35 sits
- 1
Chapter 15
Pregnancy, childbirth and the puerperium (O00-O9A)
- 2
Section
Maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48)
- 3
Category O35
Maternal care for known or suspected fetal abnormality and damage
- 4
Code O35
Maternal care for known or suspected fetal abnormality and damage
Codes under O35
O35 is a non-billable category. Choose the child code that best matches the documented diagnosis.
O35.0Maternal care for (suspected) central nervous system malformation in fetusO35.1Maternal care for (suspected) chromosomal abnormality in fetusO35.2Maternal care for (suspected) hereditary disease in fetusO35.3Maternal care for (suspected) damage to fetus from viral disease in motherO35.4Maternal care for (suspected) damage to fetus from alcoholO35.5Maternal care for (suspected) damage to fetus by drugsO35.6Maternal care for (suspected) damage to fetus by radiationO35.7Maternal care for (suspected) damage to fetus by other medical proceduresO35.8Maternal care for other (suspected) fetal abnormality and damageO35.9Maternal care for (suspected) fetal abnormality and damage, unspecifiedO35.AMaternal care for other (suspected) fetal abnormality and damage, fetal facial anomaliesO35.BMaternal care for other (suspected) fetal abnormality and damage, fetal cardiac anomaliesO35.CMaternal care for other (suspected) fetal abnormality and damage, fetal pulmonary anomaliesO35.DMaternal care for other (suspected) fetal abnormality and damage, fetal gastrointestinal anomaliesO35.EMaternal care for other (suspected) fetal abnormality and damage, fetal genitourinary anomaliesO35.FMaternal care for other (suspected) fetal abnormality and damage, fetal musculoskeletal anomalies of trunkO35.GMaternal care for other (suspected) fetal abnormality and damage, fetal upper extremities anomaliesO35.HMaternal care for other (suspected) fetal abnormality and damage, fetal lower extremities anomaliesNotes for this code
Inclusion terms
No inclusion terms are listed for O35.
Code first
No “code first” instruction is listed for O35.
Use additional code
No “use additional code” instruction is listed for O35.
Excludes1
Conditions that should not be reported together with this code.
- encounter for suspected maternal and fetal conditions ruled out (Z03.7-)
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for O35.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code O35 mean?
O35 is the FY 2027 U.S. ICD-10-CM code for “Maternal care for known or suspected fetal abnormality and damage.”
Is O35 a billable or specific ICD-10-CM code?
No. O35 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is O35 located in ICD-10-CM?
O35 is listed in Chapter 15, Pregnancy, childbirth and the puerperium (O00-O9A), within Maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48) (O30–O48), under category O35, Maternal care for known or suspected fetal abnormality and damage.
What coding notes are listed for O35?
No inclusion terms are listed for O35 in this reference record. No code-first instruction is listed. Excludes1 notes: encounter for suspected maternal and fetal conditions ruled out (Z03.7-). No Excludes2 note is listed.