N30.40 Irradiation 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)

MS-DRG index

Defines the logic of DRG(s) 698-700 in MDC 11.

Approximate ICD-9-CM (GEMs)

• 595.82 Irradiation cystitis (approximate)

Code annotations containing back-references to N30.40

Back-references to N30.4

• Type 1 Excludes: N30.0 Acute cystitis ("irradiation cystitis (N30.4-)")
• Type 2 Excludes: N99 Intraoperative and postprocedural complications and disorders of genitourinary system, not elsewhere classified ("irradiation cystitis (N30.4-)")

Back-references to N30

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

Diagnosis Index entries for N30.40

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

Nearby codes

• N30.21 Other chronic cystitis with hematuria
• N30.3 Trigonitis
• N30.30 Trigonitis without hematuria
• N30.31 Trigonitis with hematuria
• N30.4 Irradiation cystitis
• N30.40 Irradiation cystitis without hematuria (this code)
• N30.41 Irradiation cystitis with hematuria
• N30.8 Other cystitis
• N30.80 Other cystitis without hematuria
• N30.81 Other cystitis with hematuria
• N30.9 Cystitis, unspecified