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O9A.1

Non-billable

Malignant neoplasm complicating pregnancy, childbirth and the puerperium

O9A.1 is the ICD-10-CM code for Malignant neoplasm complicating pregnancy, childbirth and the puerperium. It is a non-billable category code — use a more specific child code such as O9A.11 for billing.

Status
Header (non-billable)
Chapter
O00-O9A
Parent
O9A
Subcodes
3
Edition
FY2026

O00-O9A Pregnancy, childbirth and the puerperium

Includes

Excludes2 — not included here

  • •maternal care for benign tumor of corpus uteri (O34.1-)
  • •maternal care for benign tumor of cervix (O34.4-)

Use additional code

  • •code to identify neoplasm

Frequently asked questions

What is ICD-10 code O9A.1?
O9A.1 is the ICD-10-CM code for "Malignant neoplasm complicating pregnancy, childbirth and the puerperium". It falls under O00-O9A Pregnancy, childbirth and the puerperium.
Is O9A.1 a billable code?
No — O9A.1 is a non-billable header code. Use a more specific child code (such as O9A.11) for billing.
What are the subcodes of O9A.1?
O9A.1 has 3 more specific child codes, including O9A.11, O9A.12, O9A.13.

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

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