N36.42 Intrinsic sphincter deficiency (ISD)

Billable ICD-10-CM code, FY2026.

Applies from N36.4 Urethral functional and muscular disorders

Use additional code

• code to identify associated urinary stress incontinence (N39.3)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 599.82 Intrinsic (urethral) sphincter deficiency [ISD] (approximate)

Diagnosis Index entries for N36.42

• Deficiency, deficient › intrinsic › sphincter
• Deficiency, deficient › sphincter, intrinsic

Nearby codes

• N36.0 Urethral fistula
• N36.1 Urethral diverticulum
• N36.2 Urethral caruncle
• N36.4 Urethral functional and muscular disorders
• N36.41 Hypermobility of urethra
• N36.42 Intrinsic sphincter deficiency (ISD) (this code)
• N36.43 Combined hypermobility of urethra and intrinsic sphincter deficiency
• N36.44 Muscular disorders of urethra
• N36.5 Urethral false passage
• N36.8 Other specified disorders of urethra
• N36.9 Urethral disorder, unspecified