2026 ICD-10-CM Diagnosis Code Q52.11Transverse vaginal septum

ICD-10-CM Codes›Q00-Q99›Q50-Q56›Q52

ICD-10-CM Q52.11
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Q52.11 is a billable ICD-10-CM diagnosis code for transverse vaginal septum. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 742 through 743, 760 through 761. The code is exempt from POA reporting. Coders also document this condition as congenital transverse septate vagina. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Genitourinary congenital anomalies.

Code Identity

ICD-10-CM Code
Q52.11
Billable Status
Yes — Valid for Submission
Code Describes
Transverse vaginal septum
Short Description
Transverse vaginal septum
Same as the full description in the CMS dataset.
Parent Code
Q52.1
Doubling of vagina

Code Classification

ChapterQ00-Q99Congenital malformations, deformations and chromosomal abnormalities
SectionQ50-Q56Congenital malformations of genital organs
CategoryQ52Other congenital malformations of female genitalia
This CodeQ52.11Transverse vaginal septum

Present on Admission (POA)Billing

Q52.11 is exempt from POA reporting on inpatient claims to general acute care hospitals. Review other POA exempt codes.

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Congenital transverse septate vagina
  • Septate vagina
  • Vaginal septum

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Septum, septate(congenital)
      • vagina
        • transverse

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR MAL003
Genitourinary congenital anomalies
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Birth Defects

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Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert Q52.11 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
752.46 Transv vaginal septum
Exact Match The mapping is direct, with no qualifiers.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About Q52.11Overview

Is Q52.11 (Doubling of vagina) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report transverse vaginal septum on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does Q52.11 group to?

When transverse vaginal septum is the principal diagnosis on an inpatient stay, it groups to MS-DRG 742, 743, 760, 761, with relative weights from 0.5696 to 1.8348 depending on complications. Higher weights mean higher Medicare reimbursement.

Is Q52.11 exempt from POA reporting?

Yes. CMS lists this code among those exempt from present on admission reporting, so hospitals do not assign a POA indicator for transverse vaginal septum on inpatient claims.

What is the ICD-9 equivalent of Q52.11?

Under the General Equivalence Mappings, transverse vaginal septum converts to ICD-9-CM 752.46 (transv vaginal septum). The mapping is a direct match.

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.