N84.3 ICD-10-CM Code: Polyp of vulva
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FY 2026 Apr update / Diseases of the genitourinary system (N00-N99) / Noninflammatory disorders of female genital tract (N80-N98)
N84.3
Billable / SpecificICD-10-CMOfficial ICD-10-CMCodebook guidancePolyp of vulva
A benign growth or polyp that develops on the vulva (external female genitalia). These growths are typically non-cancerous and may cause irritation or bleeding.
CMS-HCC V28
N/A—
Not mapped
CMS-HCC V24
N/A—
Not mapped
ACA/HHS
N/A—
Not mapped
ESRD/PACE
N/A—
Not mapped
RXHCC
N/A—
Not mapped
Code Book Path
Inclusion Terms
Official- Polyp of labia
Excludes 2
OfficialICD-10-CM does not list Excludes 2 notes for N84.3 in this effective period.
Related Child Codes
Includes
OfficialICD-10-CM does not list Includes notes for N84.3 in this effective period.
Excludes 1
Official- adenomatous polyp (D28.-)
- placental polyp (O90.89)
Code First
OfficialICD-10-CM does not list Code First sequencing instructions for N84.3 in this effective period.
Use Additional
OfficialICD-10-CM does not list Use Additional Code instructions for N84.3 in this effective period.
Code Also
OfficialICD-10-CM does not list Code Also instructions for N84.3 in this effective period.
Buddy Documentation Tip
Current with CMS: FY2026 ICD-10-CM Apr 1 update (effective Apr 1 – Sep 30, 2026) · CMS-HCC V28, 100% phased in for payment year 2026. FY2027 code set already staged for October 1, 2026. How HCC Buddy stays current →
Is N84.3 an HCC code?
No. N84.3 is a billable ICD-10-CM code but does not map to any HCC category in V28, V24, ESRD, or RxHCC.
- Code
- N84.3
- Description
- Polyp of vulva
- HCC (V28)
- No CMS-HCC V28 mapping
- RAF
- —
- Billable
- Yes
- Payment year
- 2026
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
N84.3 is the ICD-10-CM diagnosis code for polyp of vulva. A benign growth or polyp that develops on the vulva (external female genitalia). These growths are typically non-cancerous and may cause irritation or bleeding. N84.3 sits in the ICD-10-CM chapter for diseases of the genitourinary system (n00-n99), within the section covering noninflammatory disorders of female genital tract (n80-n98).
N84.3 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 the polyp location is specifically the vulva; if location is unclear, use N84.9.
HCC Buddy maintains structured V28 and V24 mapping, RAF weights, and MEAT documentation criteria for N84.3 sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.
Coding Tips
- •Confirm the polyp location is specifically the vulva; if location is unclear, use N84.9
- •Document whether the polyp was removed or biopsied, as this may affect treatment coding