2027 ICD-10-CM Diagnosis Code Q52.2Congenital rectovaginal fistula

ICD-10-CM Codes›Q00-Q99›Q50-Q56›Q52

ICD-10-CM Q52.2
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

Q52.2 is a billable ICD-10-CM diagnosis code for congenital rectovaginal fistula. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) 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 fistula of rectum. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Genitourinary congenital anomalies.

Code Identity

ICD-10-CM Code
Q52.2
Billable Status
Yes — Valid for Submission
Code Describes
Congenital rectovaginal fistula
Short Description
Congenital rectovaginal fistula
Same as the full description in the CMS dataset.
Parent Code
Q52
Other congenital malformations of female genitalia

Code Classification

ChapterQ00-Q99Congenital malformations, deformations and chromosomal abnormalities
SectionQ50-Q56Congenital malformations of genital organs
CategoryQ52Other congenital malformations of female genitalia
This CodeQ52.2Congenital rectovaginal fistula

Present on Admission (POA)Billing

Q52.2 is exempt from POA reporting on inpatient claims to general acute care hospitals. Review the other POA exempt codes in Congenital malformations of genital organs (Q50-Q56).

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Congenital fistula of rectum
  • Congenital rectovaginal fistula
  • Congenital rectovestibular fistula
  • Intestinovaginal fistula
  • Rectovaginal fistula
  • Rectovulval fistula

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to Q52.2: its own notes plus those printed at block Q50-Q56 and Chapter 17. A note printed at a category, block or chapter applies to every code under it.

Excludes1

Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.

On Q52.2 itself
From Block Q50-Q56 Congenital malformations of genital organs applies to 91 codes
  • androgen insensitivity syndrome (E34.5-)
  • syndromes associated with anomalies in the number and form of chromosomes (Q90-Q99)

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

From Chapter 17 (Q00-QA1) Congenital malformations, deformations and chromosomal abnormalities applies to 900 codes
  • inborn errors of metabolism (E70-E88)

Notes

General instructions on how these codes are used.

From Chapter 17 (Q00-QA1) Congenital malformations, deformations and chromosomal abnormalities applies to 900 codes
  • Codes from this chapter are not for use on maternal records

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name Q52.2, its category, or a range that includes it.

Excludes1 1

These codes carry an Excludes1 note naming Q52.2: they are not reported together with it, unless the two conditions are unrelated.

  • Q43.6 Congenital fistula of rectum and anus
    congenital rectovaginal fistula (Q52.2)

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

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

A birth defect is a problem that happens while a baby is developing in the mother's body. Most birth defects happen during the first 3 months of pregnancy. One out of every 33 babies in the United States is born with a birth defect.

The full article covers:

  • What are birth defects?
  • What causes birth defects?
  • Who is at risk of having a baby with birth defects?
  • How are birth defects diagnosed?
  • What are the treatments for birth defects?
  • Can birth defects be prevented?

Read the full article at MedlinePlus

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

Convert Q52.2 to ICD-9-CMHistory

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

ICD-9-CM
752.49 Cervix/fem gen anom NEC
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About Q52.2Overview

What is the ICD-10 code for congenital rectovaginal fistula?

The ICD-10-CM code for congenital rectovaginal fistula is Q52.2 (sometimes written as Q522). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is Q52.2 (Other congenital malformations of female genitalia) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report congenital rectovaginal fistula on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What MS-DRG does Q52.2 group to?

When congenital rectovaginal fistula is the principal diagnosis on an inpatient stay, it groups to MS-DRG 742, 743, 760, 761, with relative weights from 0.7039 to 1.8448 depending on complications. Higher weights mean higher Medicare reimbursement.

Is Q52.2 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 congenital rectovaginal fistula on inpatient claims. The code appears in the Congenital malformations of genital organs (Q50-Q56) range of the CMS exempt list.

Can Q52.2 be reported with Q43.7?

Not as a rule. The Excludes1 note on Q52.2 lists "cloaca (Q43.7)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).