2026 ICD-10-CM Diagnosis Code N34.3Urethral syndrome, unspecified

ICD-10-CM Codes›N00–N99›N30-N39›N34

ICD-10-CM N34.3
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

N34.3 is a billable ICD-10-CM diagnosis code for urethral syndrome, unspecified. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 689 through 690. Coders also document this condition as urethral syndrome. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Urinary tract infections.

Code Identity

ICD-10-CM Code
N34.3
Billable Status
Yes — Valid for Submission
Code Describes
Urethral syndrome, unspecified
Short Description
Urethral syndrome, unspecified
Same as the full description in the CMS dataset.
Parent Code
N34
Urethritis and urethral syndrome

Code Classification

ChapterN00–N99Diseases of the genitourinary system
SectionN30-N39Other diseases of the urinary system
CategoryN34Urethritis and urethral syndrome
This CodeN34.3Urethral syndrome, unspecified

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Urethral syndrome

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.

    • Syndrome
      • urethral

Clinical ClassificationClinical

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

CCSR GEN004
Urinary tract infections
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Urethral Disorders

The urethra is the tube that allows urine to pass out of the body. In men, it's a long tube that runs through the penis. It also carries semen in men. In women, it's short and is just above the vagina. Urethral problems may happen due to aging, illness, or injury. They include:

Read the full article at MedlinePlus

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

Convert N34.3 to ICD-9-CMHistory

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

ICD-9-CM
597.81 Urethral syndrome 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 N34.3Overview

Is N34.3 (Urethritis and urethral syndrome) a billable code?

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

What MS-DRG does N34.3 group to?

When urethral syndrome, unspecified is the principal diagnosis on an inpatient stay, it groups to MS-DRG 689, 690, with relative weights from 0.8095 to 1.1603 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of N34.3?

Under the General Equivalence Mappings, urethral syndrome, unspecified converts to ICD-9-CM 597.81 (urethral syndrome 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.