MCMedicalCodingSoftware
D27.9

D27.9: Benign neoplasm of unspecified ovary

Billable / specific codeICD-10-CMunspecified

D27.9 is a billable, specific ICD-10-CM code for benign neoplasm of unspecified ovary. It is valid for submission on a claim.

Check D27.9 with the rest of the claim: free scrubber

Excludes2 inherited from the categories above D27.9

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

Written on D27: Benign neoplasm of ovary

  • corpus albicans cyst (N83.2-)
  • corpus luteum cyst (N83.1-)
  • endometrial cyst (N80.1-)
  • follicular (atretic) cyst (N83.0-)
  • graafian follicle cyst (N83.0-)
  • ovarian cyst NEC (N83.2-)
  • ovarian retention cyst (N83.2-)

Other codes that can never be billed with D27.9

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • N83.2Other and unspecified ovarian cysts
  • D35Benign neoplasm of other and unspecified endocrine glands

Risk adjustment

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

Medicare coverage

D27.9 is named in 1 Medicare coverage policy: 1 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A57788Billing and Coding: Peripheral Nerve Blocks

Alphabetic index entries that lead here

  • Adenofibroma›endometrioid
  • Adenofibroma›unspecified site
  • Brenner›tumor(benign)
  • Cyst›pseudomucinous(ovary)
  • Cystadenofibroma›endometrioid
  • Cystadenofibroma›unspecified site
  • Tumor›Brenner
  • Adenofibroma›mucinous›unspecified site
  • Adenofibroma›papillary›unspecified site
  • Adenofibroma›serous›unspecified site
  • Cyst›ovary, ovarian›dermoid
  • Cyst›ovary, ovarian›pseudomucinous

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under D27

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.