2026 ICD-10-CM Diagnosis Code N39.491Coital incontinence

ICD-10-CM Codes›N00–N99›N30-N39›N39

ICD-10-CM N39.491
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

N39.491 is a billable ICD-10-CM diagnosis code for coital incontinence. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 695 through 696. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Urinary incontinence.

Code Identity

ICD-10-CM Code
N39.491
Billable Status
Yes — Valid for Submission
Code Describes
Coital incontinence
Short Description
Coital incontinence
Same as the full description in the CMS dataset.
Parent Code
N39.49
Other specified urinary incontinence

Code Classification

ChapterN00–N99Diseases of the genitourinary system
SectionN30-N39Other diseases of the urinary system
CategoryN39Other disorders of urinary system
This CodeN39.491Coital incontinence

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.

    • Incontinence
      • coital

Clinical ClassificationClinical

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

CCSR GEN008
Urinary incontinence
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Urinary Incontinence

Urinary incontinence (UI) is the loss of bladder control, or being unable to control urination. It is a common condition. It can range from being a minor problem to something that greatly affects your daily life. In any case, it can get better with proper treatment.

The full article covers:

  • What is urinary incontinence (UI)?
  • What are the types of urinary incontinence (UI)?
  • Who is at risk for urinary incontinence (UI)?
  • How is urinary incontinence (UI) diagnosed?
  • What are the treatments for urinary incontinence (UI)?

Read the full article at MedlinePlus

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

Convert N39.491 to ICD-9-CMHistory

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

ICD-9-CM
788.39 Oth urinry incontinence
Approximate The match is approximate rather than exact.

Code History & ChangesHistory

Replacement N39.491 replaces the following previously assigned code(s):

  • N39.498 - Other specified urinary incontinence
FY 2018AddedAdded to the ICD-10-CM code setEffective October 1, 2017.
FY 2019–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About N39.491Overview

Is N39.491 (Other specified urinary incontinence) a billable code?

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

What MS-DRG does N39.491 group to?

When coital incontinence is the principal diagnosis on an inpatient stay, it groups to MS-DRG 695, 696, with relative weights from 0.6890 to 1.1438 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of N39.491?

Under the General Equivalence Mappings, coital incontinence converts to ICD-9-CM 788.39 (oth urinry incontinence). The mapping is approximate, so confirm the match fits the documentation.

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.