N32.81 Overactive bladder

Billable ICD-10-CM code, FY2026.

Applicable to

• Detrusor muscle hyperactivity

Excludes1 (never code together)

• frequent urination due to specified bladder condition- code to condition

Applies from N32 Other disorders of bladder

Excludes2 (not included here)

• calculus of bladder (N21.0)
• cystocele (N81.1-)
• hernia or prolapse of bladder, female (N81.1-)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 596.51 Hypertonicity of bladder

Code annotations containing back-references to N32.81

Back-references to N32.81

• Code Also: N39.3 Stress incontinence (female) (male) ("any associated overactive bladder (N32.81)")
• Code Also: N39.4 Other specified urinary incontinence ("any associated overactive bladder (N32.81)")

Diagnosis Index entries for N32.81

• Hyperactive, hyperactivity › detrusor muscle
• Overactive › bladder

Nearby codes

• N32.0 Bladder-neck obstruction
• N32.1 Vesicointestinal fistula
• N32.2 Vesical fistula, not elsewhere classified
• N32.3 Diverticulum of bladder
• N32.8 Other specified disorders of bladder
• N32.81 Overactive bladder (this code)
• N32.89 Other specified disorders of bladder
• N32.9 Bladder disorder, unspecified