2026 ICD-10-CM Diagnosis Code N39.490Overflow incontinence

ICD-10-CM Codes›N00–N99›N30-N39›N39

ICD-10-CM N39.490
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

N39.490 is a billable ICD-10-CM diagnosis code for overflow 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. Coders also document this condition as finding of urinary bladder control. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Urinary incontinence.

Code Identity

ICD-10-CM Code
N39.490
Billable Status
Yes — Valid for Submission
Code Describes
Overflow incontinence
Short Description
Overflow 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 CodeN39.490Overflow incontinence

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Finding of urinary bladder control
  • Overflow incontinence of urine
  • Overflow incontinence of urine due to prolapse of female genital organ

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
      • overflow
    • Incontinence
      • urine (urinary)
        • overflow

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 N39.490 to ICD-9-CMHistory

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

ICD-9-CM
788.38 Overflow incontinence
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 N39.490Overview

Is N39.490 (Other specified urinary incontinence) a billable code?

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

What MS-DRG does N39.490 group to?

When overflow 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 N39.490?

Under the General Equivalence Mappings, overflow incontinence converts to ICD-9-CM 788.38 (overflow incontinence). 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.