Coding and coverage · ICD-10-CM

N83

N83.2 Other and unspecified ovarian cysts

Not billable (header)Chapter 14

Report one of the more specific codes below.

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Codes under this one

  • N83.20 Unspecified ovarian cystsHeader
  • N83.29 Other ovarian cystsHeader

Instructional notes

Chapter 14

Excludes2Not included here: the patient may have both; report both when both are present.
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

N83

Excludes2Not included here: the patient may have both; report both when both are present.

This code

Excludes1Not coded here: never report with this code, except when the two conditions are unrelated.
  • developmental ovarian cyst (Q50.1)
  • neoplastic ovarian cyst (D27.-)
  • polycystic ovarian syndrome (E28.2)
  • Stein-Leventhal syndrome (E28.2)

Chapter 14: Diseases of the genitourinary system · N80-N98 Noninflammatory disorders of female genital tract (N80-N98)

Source: ICD-10-CM FY 2027 code descriptions and tabular list (CMS and CDC National Center for Health Statistics), effective 2026-10-01 through 2027-09-30 · CMS ICD-10 files. HCC mapping: CMS-HCC V28, payment year 2027. As of 2026-11-04.

Coverage and payment depend on the claim details; confirm with the Medicare Administrative Contractor.