O35
Non-billableMaternal care for known or suspected fetal abnormality and damage
O35 is the ICD-10-CM code for Maternal care for known or suspected fetal abnormality and damage. It is a non-billable category code — use a more specific child code such as O35.0 for billing.
- Status
- Header (non-billable)
- Chapter
- O00-O9A
- Subcodes
- 18
- Edition
- FY2026
O00-O9A Pregnancy, childbirth and the puerperium
What this means — in plain language
MedlinePlus · NIHWhat are birth defects? A birth defect is a problem that happens while a baby is developing in the mother's body. Most birth defects happen during the first 3 months of pregnancy. One out of every 33 babies in the United States is born with a birth defect. A birth defect may affect how the body looks, works, or both. Some birth defects like cleft lip or neural tube defects are structural problems that can be easy to…
Read more about Birth Defects at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
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 — not coded here
- •encounter for suspected maternal and fetal conditions ruled out (Z03.7-)
Notes
- •any associated maternal condition
Medications indicated for this condition
FDA labelingDrugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.
Conditions mapped to this code
MedlinePlus · NIHPlain-language health-topic references grounded in MedlinePlus (NIH/NLM).
Frequently asked questions
- What is ICD-10 code O35?
- O35 is the ICD-10-CM code for "Maternal care for known or suspected fetal abnormality and damage". It falls under O00-O9A Pregnancy, childbirth and the puerperium.
- Is O35 a billable code?
- No — O35 is a non-billable header code. Use a more specific child code (such as O35.0) for billing.
- What is excluded from O35?
- Excludes1 (not coded here): encounter for suspected maternal and fetal conditions ruled out (Z03.7-).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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