N80.1

Non-billable

Endometriosis of ovary

N80.1 is the ICD-10-CM code for Endometriosis of ovary. It is a non-billable category code — use a more specific child code such as N80.10 for billing.

Status
Header (non-billable)
Chapter
N00-N99
Parent
N80
Subcodes
3
Edition
FY2026

N00-N99 Diseases of the genitourinary system

What this means — in plain language

MedlinePlus · NIH

What is endometriosis? The uterus, or womb, is the place where a fetus grows during pregnancy. The uterus is lined with tissue (endometrium). Endometriosis is a disease in which tissue like the lining of the uterus grows in other places in your body. These patches of tissue are called "implants," "nodules," or "lesions." They are most often found: On or under the ovaries On the fallopian tubes, which carry eggs from…

Read more about Endometriosis at MedlinePlus ↗

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

No additional coding notes for this code.

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.

Conditions mapped to this code

MedlinePlus · NIH

Plain-language health-topic references grounded in MedlinePlus (NIH/NLM).

Frequently asked questions

What is ICD-10 code N80.1?
N80.1 is the ICD-10-CM code for "Endometriosis of ovary". It falls under N00-N99 Diseases of the genitourinary system.
Is N80.1 a billable code?
No — N80.1 is a non-billable header code. Use a more specific child code (such as N80.10) for billing.
What are the subcodes of N80.1?
N80.1 has 3 more specific child codes, including N80.10, N80.11, N80.12.

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

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