R33.9 Retention of urine, unspecified

Billable ICD-10-CM code, FY2026.

Applies from R33 Retention of urine

Excludes1 (never code together)

• psychogenic retention of urine (F45.8)

MS-DRG index

Defines the logic of DRG(s) 695-696 in MDC 11.

Approximate ICD-9-CM (GEMs)

• 788.20 Retention of urine, unspecified

Diagnosis Index entries for R33.9

• Incomplete › bladder, emptying
• Retention › urine
• Urine › retention or stasis

Nearby codes

• R33 Retention of urine
• R33.0 Drug induced retention of urine
• R33.8 Other retention of urine
• R33.9 Retention of urine, unspecified (this code)