O35.1

Non-billable

Maternal care for (suspected) chromosomal abnormality in fetus

O35.1 is the ICD-10-CM code for Maternal care for (suspected) chromosomal abnormality in fetus. It is a non-billable category code — use a more specific child code such as O35.10 for billing.

Status
Header (non-billable)
Chapter
O00-O9A
Parent
O35
Subcodes
7
Edition
FY2026

O00-O9A Pregnancy, childbirth and the puerperium

What this means — in plain language

MedlinePlus · NIH

What are genetic disorders? Genetic disorders are health conditions caused by changes (also called mutations or variants) in your genes. Genes are parts of DNA found in your cells that carry instructions for how your body grows, develops, and functions. Many genes tell your body how to make proteins, which are needed for your body to work properly. What causes genetic disorders? A genetic disorder happens when a…

Read more about Genetic Disorders at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code O35.1?
O35.1 is the ICD-10-CM code for "Maternal care for (suspected) chromosomal abnormality in fetus". It falls under O00-O9A Pregnancy, childbirth and the puerperium.
Is O35.1 a billable code?
No — O35.1 is a non-billable header code. Use a more specific child code (such as O35.10) for billing.
What are the subcodes of O35.1?
O35.1 has 7 more specific child codes, including O35.10, O35.11, O35.12.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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