D27.0 ICD-10-CM Code: Benign neoplasm of right ovary
HCC Buddy Code Card
Digital ICD-10 code-book layout with official code detail, always-visible risk models, Code Trumping, and Buddy coding guidance.
FY 2026 Apr update / Neoplasms (C00-D49) / Benign neoplasms, except benign neuroendocrine tumors (D10-D36)
D27.0
Billable / SpecificICD-10-CMOfficial ICD-10-CMCodebook guidanceBenign neoplasm of right ovary
A noncancerous tumor that develops in the tissue of the right ovary.
CMS-HCC V28
00
RAF 0
CMS-HCC V24
00
RAF 0
ACA/HHS
00
RAF 0
ESRD/PACE
00
RAF 0
RXHCC
00
RAF 0
Code Trumping
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Code Book Path
Inclusion Terms
OfficialICD-10-CM does not list inclusion terms for D27.0 in this effective period.
Excludes 2
Official- corpus albicans cyst (N83.2-)
- corpus luteum cyst (N83.1-)
- endometrial cyst (N80.1-)
- follicular (atretic) cyst (N83.0-)
- graafian follicle cyst (N83.0-)
Related Child Codes
Includes
OfficialICD-10-CM does not list Includes notes for D27.0 in this effective period.
Excludes 1
OfficialICD-10-CM does not list Excludes 1 notes for D27.0 in this effective period.
Code First
OfficialICD-10-CM does not list Code First sequencing instructions for D27.0 in this effective period.
Use Additional
Official- code to identify any functional activity.
Code Also
OfficialICD-10-CM does not list Code Also instructions for D27.0 in this effective period.
Buddy Documentation Tip
Last updated: FY2026 ICD-10-CM Apr update, Apr 1, 2026 through Sep 30, 2026. CMS-HCC V28 is 100% phased in for payment year 2026.
Is D27.0 an HCC code?
No. D27.0 is a billable ICD-10-CM code but does not map to any HCC category in V28, V24, ESRD, or RxHCC.
Coder workflow notes
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This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
D27.0 is the ICD-10-CM diagnosis code for benign neoplasm of right ovary. A noncancerous tumor that develops in the tissue of the right ovary. D27.0 sits in the ICD-10-CM chapter for neoplasms (c00-d49), within the section covering benign neoplasms, except benign neuroendocrine tumors (d10-d36).
D27.0 is a billable ICD-10-CM code but does not map to a payment HCC under the CMS-HCC V28, V24, ESRD, or RxHCC risk adjustment models. It can be reported on Medicare Advantage encounter data submissions but it does not contribute to a beneficiary's RAF score and therefore does not affect risk-adjusted payments to the plan.
Confirm right-sided location is documented; do not assume laterality without clear documentation.
HCC Buddy maintains structured V28 and V24 mapping, RAF weights, and MEAT documentation criteria for D27.0 sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.
Coding Tips
- •Confirm right-sided location is documented; do not assume laterality without clear documentation
- •Benign ovarian neoplasms include cysts, fibromas, and teratomas; ensure the specific type is noted if available