N89.6 Tight hymenal ring

Billable ICD-10-CM code, FY2026.

Applicable to

• Rigid hymen
• Tight introitus

Excludes1 (never code together)

• imperforate hymen (Q52.3)

Applies from N89 Other noninflammatory disorders of vagina

Excludes1 (never 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.-)
• senile (atrophic) vaginitis (N95.2)
• severe dysplasia of vagina (D07.2)
• trichomonal leukorrhea (A59.00)
• vaginal intraepithelial neoplasia [VAIN], grade III (D07.2)

MS-DRG index

Defines the logic of DRG(s) 742-743 in MDC 13.

Approximate ICD-9-CM (GEMs)

• 623.3 Tight hymenal ring

Code annotations containing back-references to N89.6

Back-references to N89

• Type 1 Excludes: R87.62 Abnormal cytological findings in specimens from vagina ("dysplasia (mild) (moderate) of vagina (histologically confirmed) (N89.-)")
• Type 1 Excludes: R87.7 Abnormal histological findings in specimens from female genital organs ("dysplasia (mild) (moderate) of vagina (histologically confirmed) (N89.-)")

Diagnosis Index entries for N89.6

• Atresia, atretic › hymen › acquired (postinfective)
• Closure › hymen
• Occlusion, occluded › hymen
• Rigid, rigidity › hymen (acquired) (congenital)
• Ring (s) › hymenal, tight (acquired) (congenital)
• Small (ness) › introitus, vagina
• Stenosis, stenotic (cicatricial) › hymen
• Stricture › hymen
• Thickening › hymen
• Tight, tightness › hymen, hymenal ring
• Tight, tightness › introitus (acquired) (congenital)

Nearby codes

• N89.0 Mild vaginal dysplasia
• N89.1 Moderate vaginal dysplasia
• N89.3 Dysplasia of vagina, unspecified
• N89.4 Leukoplakia of vagina
• N89.5 Stricture and atresia of vagina
• N89.6 Tight hymenal ring (this code)
• N89.7 Hematocolpos
• N89.8 Other specified noninflammatory disorders of vagina
• N89.9 Noninflammatory disorder of vagina, unspecified