What does ICD-10 code N80.129 mean?

ICD-10 code N80.129 is the standardized code used for deep endometriosis of ovary, unspecified ovary in medical records and coding systems.

When is ICD-10 code N80.129 used?

Doctors, hospitals, and insurers may use ICD-10 code N80.129 when recording deep endometriosis of ovary, unspecified ovary in a standardized format.

Does ICD-10 code N80.129 confirm a diagnosis?

No. A code helps standardize documentation and claims, but it should not be read as a substitute for a clinician's full assessment.

ICD10BillableValid for clinical use

ICD-10 Code N80.129: Deep endometriosis of ovary, unspecified ovary

Name: ICD-10 Code N80.129: Deep endometriosis of ovary, unspecified ovary
Creator: HealthAssure Clinical Team
Published: 2026-05-21T06:26:56.035Z

N80.129 is a billable ICD-10 diagnosis code used to classify Deep endometriosis of ovary, unspecified ovary in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the genitourinary system (N00-N99).

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the genitourinary system (N00-N99).

When is it used?

May be used when a clinician documents deep endometriosis of ovary, unspecified ovary in a patient's medical record.
May appear in hospital records, claims, referrals, and clinical documentation.
This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

A code alone does not explain severity, treatment plan, or outcome.
A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter

14Diseases of the genitourinary system (N00-N99)

block

N80-N98Noninflammatory disorders of female genital tract

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

UrologistGynecologist

Sibling codes

N80.121Deep endometriosis of right ovarybillable N80.122Deep endometriosis of left ovarybillable N80.123Deep endometriosis of bilateral ovariesbillable

Coding guidelines

Common synonyms

Deep endometriosis of ovary, unspecified ovaryDeep endometriosis of ovary

Frequently asked questions

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.