N30.00 Acute cystitis without hematuria

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

Applies from N30 Cystitis

Excludes1 (never code together)

• prostatocystitis (N41.3)

Use additional code

• code to identify infectious agent (B95-B97)

Applies from N30.0 Acute cystitis

Excludes1 (never code together)

• irradiation cystitis (N30.4-)
• trigonitis (N30.3-)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 595.0 Acute cystitis (approximate)

Code annotations containing back-references to N30.00

Back-references to N30

• Type 1 Excludes: N39.0 Urinary tract infection, site not specified ("cystitis (N30.-)")

Diagnosis Index entries for N30.00

• Cystitis (exudative) (hemorrhagic) (septic) (suppurative) › acute

Nearby codes

• N30 Cystitis
• N30.0 Acute cystitis
• N30.00 Acute cystitis without hematuria (this code)
• N30.01 Acute cystitis with hematuria
• N30.1 Interstitial cystitis (chronic)
• N30.10 Interstitial cystitis (chronic) without hematuria
• N30.11 Interstitial cystitis (chronic) with hematuria
• N30.2 Other chronic cystitis