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N39.0

N39.0: Urinary tract infection, site not specified

Billable / specific codeICD-10-CM

N39.0 is a billable, specific ICD-10-CM code for urinary tract infection, site not specified. It is valid for submission on a claim.

Check N39.0 with the rest of the claim: free scrubber

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

  • candidiasis of urinary tract (B37.4-)
  • neonatal urinary tract infection (P39.3)
  • pyuria (R82.81)
  • urinary tract infection of specified site, such as:
  • cystitis (N30.-)
  • pyonephrosis (N13.6)
  • urethritis (N34.-)

Use additional code

Add a secondary code to capture the detail described below.

  • code (B95-B97), to identify infectious agent.

Excludes2 inherited from the categories above N39.0

Not part of this code, but both may be coded when both are present.

Written on N39: Other disorders of urinary system

  • hematuria NOS (R31.-)
  • recurrent or persistent hematuria (N02.-)
  • recurrent or persistent hematuria with specified morphological lesion (N02.-)
  • proteinuria NOS (R80.-)

Other codes that can never be billed with N39.0

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • N15.9Renal tubulo-interstitial disease, unspecified

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

N39.0 is named in 5 Medicare coverage policies: 4 listing it as supporting medical necessity, and 1 listing it as NOT covered. Which one applies depends on your Medicare contractor.

  • A57497Billing and Coding: Chest X-Ray Policynot covered
  • A55336Billing and Coding: Retroperitoneal Ultrasound
  • A58801Billing and Coding: Pharmacogenomics Testing
  • A58812Billing and Coding: Pharmacogenomics Testing

Alphabetic index entries that lead here

  • Infection, infected, infective›urinary(tract)
  • Urine›pus in
  • Pus›in›urine

The condition this code belongs to

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under N39

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.