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

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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