2026 ICD-10-CM Diagnosis Code N81.4Uterovaginal prolapse, unspecified

ICD-10-CM Codes›N00–N99›N80-N98›N81

ICD-10-CM N81.4
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

N81.4 is a billable ICD-10-CM diagnosis code for uterovaginal prolapse, unspecified. 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. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Prolapse of female genital organs.

Code Identity

ICD-10-CM Code
N81.4
Billable Status
Yes — Valid for Submission
Code Describes
Uterovaginal prolapse, unspecified
Short Description
Uterovaginal prolapse, unspecified
Same as the full description in the CMS dataset.
Parent Code
N81
Female genital prolapse

Code Classification

ChapterN00–N99Diseases of the genitourinary system
SectionN80-N98Noninflammatory disorders of female genital tract
CategoryN81Female genital prolapse
This CodeN81.4Uterovaginal prolapse, unspecified

Quality Payment Program MeasuresBilling

Medicare quality measures that can apply when N81.4 is part of the patient record.

Performing Cystoscopy at the Time of Hysterectomy for Pelvic Organ Prolapse to Detect Lower Urinary Tract Injury

High Priority: YES

Measure Type: Process

Submission Methods: Claims, Registry

Description: Percentage of patients who undergo cystoscopy to evaluate for lower urinary tract injury at the time of hysterectomy for pelvic organ prolapse.

View Measure

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Enterocele
  • Female cystocele and uterine prolapse
  • Female enterocele
  • Herniation of rectum into vagina
  • Prolapse of uterus with enterocele
  • Prolapse of uterus with rectocele
  • Rectocele co-occurrent with complete uterovaginal prolapse
  • Third degree uterine prolapse
  • Uterine prolapse
  • Uterine prolapse in pregnancy
  • Uterovaginal prolapse

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Inclusion Terms

  • Prolapse of uterus NOS

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.

    • Eversion
      • uterus
    • Extroversion
      • uterus
    • Extroversion
      • uterus
        • postpartal (old)
    • Hernia, hernial(acquired) (recurrent)
      • uterus
    • Prolapse, prolapsed
      • uterovaginal
    • Prolapse, prolapsed
      • uterus (with prolapse of vagina)
    • Prolapse, prolapsed
      • uterus (with prolapse of vagina)
        • postpartal (old)
    • Prolapse, prolapsed
      • vagina (anterior) (wall)
        • with prolapse of uterus
    • Rectocele
      • female (without uterine prolapse)
        • with uterine prolapse

Clinical ClassificationClinical

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

CCSR GEN020
Prolapse of female genital organs
Default principal diagnosis: inpatient Yes · outpatient Yes

Clinical InformationClinical

  • Uterine Prolapse

    downward displacement of the uterus. it is classified in various degrees: in the first degree the uterine cervix is within the vaginal orifice; in the second degree the cervix is outside the orifice; in the third degree the entire uterus is outside the orifice.

  • Third Degree Uterine Prolapse

    the uterus has descended below the level of the hymen and protrudes through the opening of the vagina.

Patient EducationClinical

Cervix Disorders

A cervix disorder is a problem with your cervix. The cervix is part of the female reproductive system. It is the lower, narrow end of the uterus (womb), which opens into the vagina (birth canal). The cervix has a small opening that expands during childbirth. It also allows menstrual blood to leave your body.

The full article covers:

  • What is a cervix disorder?
  • Who is more likely to develop cervix disorders?
  • What are the symptoms of cervix disorders?
  • How are cervix disorders diagnosed?
  • What are the treatments for cervix disorders?
  • Can cervix disorders be prevented?

Read the full article at MedlinePlus

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

Convert N81.4 to ICD-9-CMHistory

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

ICD-9-CM
618.4 Utervaginal prolapse NOS
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 N81.4Overview

Is N81.4 (Female genital prolapse) a billable code?

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

What MS-DRG does N81.4 group to?

When uterovaginal prolapse, unspecified 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.

What is the ICD-9 equivalent of N81.4?

Under the General Equivalence Mappings, uterovaginal prolapse, unspecified converts to ICD-9-CM 618.4 (utervaginal prolapse NOS). 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.