Alphabetic Index FY2027

N83.20

Unspecified ovarian cysts

FY2027Chapter 14: Diseases of the genitourinary system/N80–N98 Noninflammatory disorders of female genital tract

Non-billable headerNot valid on its own. Use one of the more specific codes under it.

N83.20 is a non-billable ICD-10-CM code header for unspecified ovarian cysts. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are N83.201 Unspecified ovarian cyst, right side; N83.202 Unspecified ovarian cyst, left side and N83.209 Unspecified ovarian cyst, unspecified side. Its coding notes include 4 Excludes1 entries and 9 Excludes2 entries.

Excludes1

Not coded here. The listed conditions generally should not be reported together.

Inherited from 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

Not included here. Both codes may be reported if the patient has both conditions.

Inherited from N83 Noninflammatory disorders of ovary, fallopian tube and broad ligament
Also from chapter/block level (8 notes)
Inherited from Chapter 14 Diseases of the genitourinary system
  • 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)

Alphabetic Index terms

Terms the official Alphabetic Index lists for this code. 10 entries

More specific codes under N83.20 3