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O00

Non-billable

Ectopic pregnancy

O00 is the ICD-10-CM code for Ectopic pregnancy. It is a non-billable category code — use a more specific child code such as O00.0 for billing.

Status
Header (non-billable)
Chapter
O00-O9A
Subcodes
5
Edition
FY2026

O00-O9A Pregnancy, childbirth and the puerperium

Includes

  • •ruptured ectopic pregnancy

Use additional code

  • •code from category O08 to identify any associated complication

Frequently asked questions

What is ICD-10 code O00?
O00 is the ICD-10-CM code for "Ectopic pregnancy". It falls under O00-O9A Pregnancy, childbirth and the puerperium.
Is O00 a billable code?
No — O00 is a non-billable header code. Use a more specific child code (such as O00.0) for billing.
What are the subcodes of O00?
O00 has 5 more specific child codes, including O00.0, O00.1, O00.2.

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

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