N83.9 Noninflammatory disorder of ovary, fallopian tube and broad ligament, unspecified

ICD-10-CM Diagnosis Code N83.9: Noninflammatory disorder of ovary, fallopian tube and broad ligament, unspecified

ICD-10-CM code N83.9 designates an unspecified noninflammatory disorder of the ovary, fallopian tube, and broad ligament. Terminology records classify this active concept as a disease or syndrome under the parent category N83. While general clinical research links broader category N83 to polycystic ovary syndrome cohorts, code-specific documentation and coverage rules require consulting payer policies. 1 2 4

Plain-language overview

Code N83.9 serves as a diagnostic label for a disease or syndrome affecting the ovary, fallopian tube, or broad ligament, carrying the official preferred name of noninflammatory disorder of ovary, fallopian tube and broad ligament, unspecified. 1 5

What this code represents

The official preferred name for N83.9 is noninflammatory disorder of ovary, fallopian tube and broad ligament, unspecified, and the terminology record indicates this concept currently holds an active status. 1

Within the ICD-10-CM hierarchy, N83.9 is a narrower concept under the parent code N83, which encompasses noninflammatory disorders of the ovary, fallopian tube, and broad ligament. 1 6

Coding details

An alternative published abbreviation for N83.9 is noninflammatory disord of ovary, fallop & broad ligmt, unsp, and the concept is semantically typed as a disease or syndrome. 1 5

Documentation considerations

A CMS description file lists numerical mappings for noninflammatory disorders, separating unspecified conditions from other specified noninflammatory disorders of the ovary, fallopian tube, and broad ligament. 3

Clinical context

Research on polycystic ovary syndrome calculates relative risk ratios for future health outcomes using the broader ICD-10 category N83 for noninflammatory disorders of the ovary, fallopian tube, and broad ligament. 2

Coverage and utilization context

The N83.9 diagnosis code appears alongside other gynecological diagnoses in a Medicare billing and coding article for computed tomography of the abdomen and pelvis. 4

What the sources add

Terminology records from the National Cancer Institute establish the official label and active status for N83.9, while a Medicare billing article demonstrates the code's appearance in operational coverage documents. 1 4

The N83.9 terminology record identifies narrower concepts within this classification, and a separate EVS Explore source lists N83.2 and N83.8 as related codes under the same parent category. 1 6

Sources

1. ICD-10-CM N83.9 terminology record — National Cancer Institute Enterprise Vocabulary Services; accessed 2026-07-27.
2. Understanding Pain in Polycystic Ovary Syndrome: Health Risks and Treatment Effectiveness — pmc.ncbi.nlm.nih.gov; accessed 2026-07-27.
3. cms32desclongdx-txt.txt — cms.gov; accessed 2026-07-27.
4. Article - Billing and Coding: CT of the Abdomen and Pelvis (A56421) — cms.gov; accessed 2026-07-27.
5. EVS Explore — evsexplore.semantics.cancer.gov; accessed 2026-07-27.
6. EVS Explore — evsexplore.semantics.cancer.gov; accessed 2026-07-27.