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O36.1

Non-billable

Maternal care for other isoimmunization

O36.1 is the ICD-10-CM code for Maternal care for other isoimmunization. It is a non-billable category code — use a more specific child code such as O36.11 for billing.

Status
Header (non-billable)
Chapter
O00-O9A
Parent
O36
Subcodes
2
Edition
FY2026

O00-O9A Pregnancy, childbirth and the puerperium

Includes

  • •Maternal care for ABO isoimmunization

Medications indicated for this condition

FDA labeling

Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.

Frequently asked questions

What is ICD-10 code O36.1?
O36.1 is the ICD-10-CM code for "Maternal care for other isoimmunization". It falls under O00-O9A Pregnancy, childbirth and the puerperium.
Is O36.1 a billable code?
No — O36.1 is a non-billable header code. Use a more specific child code (such as O36.11) for billing.
What are the subcodes of O36.1?
O36.1 has 2 more specific child codes, including O36.11, O36.19.

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

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