Q52.121 Longitudinal vaginal septum, obstructing, right side

Billable ICD-10-CM code, FY2026. Exempt from present-on-admission (POA) reporting.

Applies from Q52.1 Doubling of vagina

Excludes1 (never code together)

• doubling of vagina with doubling of uterus and cervix (Q51.1-)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 752.47 Longitudinal vaginal septum (approximate)

Diagnosis Index entries for Q52.121

• Septum, septate (congenital) › vagina › longitudinal › obstructing › right side

Nearby codes

• Q52.1 Doubling of vagina
• Q52.10 Doubling of vagina, unspecified
• Q52.11 Transverse vaginal septum
• Q52.12 Longitudinal vaginal septum
• Q52.120 Longitudinal vaginal septum, nonobstructing
• Q52.121 Longitudinal vaginal septum, obstructing, right side (this code)
• Q52.122 Longitudinal vaginal septum, obstructing, left side
• Q52.123 Longitudinal vaginal septum, microperforate, right side
• Q52.124 Longitudinal vaginal septum, microperforate, left side
• Q52.129 Other and unspecified longitudinal vaginal septum
• Q52.2 Congenital rectovaginal fistula