N89 ICD-10-CM Code: Other noninflammatory disorders of vagina
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 / Diseases of the genitourinary system (N00-N99) / Noninflammatory disorders of female genital tract (N80-N98)
N89
Header CodeICD-10-CMOfficial ICD-10-CMCodebook guidanceOther noninflammatory disorders of vagina
Other noninflammatory disorders of vagina
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
OfficialICD-10-CM does not list inclusion terms for N89 in this effective period.
Excludes 2
Official- senile (atrophic) vaginitis (N95.2)
Related Child Codes
Includes
OfficialICD-10-CM does not list Includes notes for N89 in this effective period.
Excludes 1
Official- abnormal results from vaginal cytologic examination without histologic confirmation (R87.62-)
- carcinoma in situ of vagina (D07.2)
- HGSIL of vagina (R87.623)
- inflammation of vagina (N76.-)
- severe dysplasia of vagina (D07.2)
Code First
OfficialICD-10-CM does not list Code First sequencing instructions for N89 in this effective period.
Use Additional
OfficialICD-10-CM does not list Use Additional Code instructions for N89 in this effective period.
Code Also
OfficialICD-10-CM does not list Code Also instructions for N89 in this effective period.
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 →
- Code
- N89
- Description
- Other noninflammatory disorders of vagina
- HCC (V28)
- No CMS-HCC V28 mapping
- RAF
- —
- Billable
- No
- Payment year
- 2026
Coder workflow notes
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What This Code Means
N89 is the ICD-10-CM diagnosis code for other noninflammatory disorders of vagina. N89 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).
Header codes like N89 cannot be reported on claims directly, they organize child codes that share clinical context but the actual diagnosis must be coded to the highest level of specificity supported by the documentation. Coders should look at N89's child codes and select the one that matches the patient's documented presentation, since payers reject header codes submitted as the primary diagnosis. For risk adjustment workflows, header codes never contribute to a Medicare Advantage member's RAF score on their own; only billable child codes that happen to map to a payment HCC affect risk-adjusted plan payments.
HCC Buddy maintains structured V28 and V24 mapping, RAF weights, and MEAT documentation criteria for N89 sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.
Excludes 1, Do NOT code together
- abnormal results from vaginal cytologic examination without histologic confirmation (R87.62-)
- carcinoma in situ of vagina (D07.2)
- HGSIL of vagina (R87.623)
- inflammation of vagina (N76.-)
- severe dysplasia of vagina (D07.2)
- trichomonal leukorrhea (A59.00)
- vaginal intraepithelial neoplasia [VAIN], grade III (D07.2)
Excludes 2, Not included here, may code separately
- senile (atrophic) vaginitis (N95.2)

