B37.41 Candidal cystitis and urethritis

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

Applies from B37 Candidiasis

Includes

• candidosis
• moniliasis

Excludes1 (never code together)

• neonatal candidiasis (P37.5)

MS-DRG index

Defines the logic of DRG(s) 727-728 in MDC 12.

Approximate ICD-9-CM (GEMs)

• 112.2 Candidiasis of other urogenital sites (approximate)

Code annotations containing back-references to B37.41

Back-references to B37.41

• Type 1 Excludes: N33 Bladder disorders in diseases classified elsewhere ("candidal cystitis (B37.41)")
• Type 1 Excludes: N37 Urethral disorders in diseases classified elsewhere ("candidal infection (B37.41)")

Back-references to B37.4

• Type 1 Excludes: N39.0 Urinary tract infection, site not specified ("candidiasis of urinary tract (B37.4-)")

Back-references to B37

• Code First: M01 Direct infections of joint in infectious and parasitic diseases classified elsewhere ("mycoses (B35-B49)")

Diagnosis Index entries for B37.41

• Candidiasis, candidal › cystitis
• Candidiasis, candidal › urethritis
• Urethritis (anterior) (posterior) › candidal

Nearby codes

• B37.2 Candidiasis of skin and nail
• B37.3 Candidiasis of vulva and vagina
• B37.31 Acute candidiasis of vulva and vagina
• B37.32 Chronic candidiasis of vulva and vagina
• B37.4 Candidiasis of other urogenital sites
• B37.41 Candidal cystitis and urethritis (this code)
• B37.42 Candidal balanitis
• B37.49 Other urogenital candidiasis
• B37.5 Candidal meningitis
• B37.6 Candidal endocarditis
• B37.7 Candidal sepsis