N39.0 Urinary tract infection, site not specified

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Excludes1 (never code together)

• 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

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

Applies from N39 Other disorders of urinary system

Excludes2 (not included here)

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

MS-DRG index

Defines the logic of DRG(s) 689-690 in MDC 11.

Approximate ICD-9-CM (GEMs)

• 599.0 Urinary tract infection, site not specified

Code annotations containing back-references to N39.0

Back-references to N39.0

• Use Additional: G90.4 Autonomic dysreflexia ("urinary tract infection (N39.0)")
• Type 1 Excludes: N15.9 Renal tubulo-interstitial disease, unspecified ("urinary tract infection NOS (N39.0)")

Diagnosis Index entries for N39.0

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

Nearby codes

• N39 Other disorders of urinary system
• N39.0 Urinary tract infection, site not specified (this code)
• N39.3 Stress incontinence (female) (male)
• N39.4 Other specified urinary incontinence
• N39.41 Urge incontinence
• N39.42 Incontinence without sensory awareness
• N39.43 Post-void dribbling