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N83.20

N83.20: Unspecified ovarian cysts

Non-billable headerICD-10-CM

N83.20 is a non-billable header ICD-10-CM code for unspecified ovarian cysts. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1 inherited from the categories above N83.20

A category’s note binds every code beneath it.

Written on N83.2: Other and unspecified ovarian cysts

  • developmental ovarian cyst (Q50.1)
  • neoplastic ovarian cyst (D27.-)
  • polycystic ovarian syndrome (E28.2)
  • Stein-Leventhal syndrome (E28.2)

Excludes2 inherited from the categories above N83.20

Not part of this code, but both may be coded when both are present.

Written on N83: Noninflammatory disorders of ovary, fallopian tube and broad ligament

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead N83.20

3 child codes. Green means billable.

Other codes under N83.2

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.