Q64.73 Congenital urethrorectal fistula

Billable ICD-10-CM code, FY2026. Exempt from present-on-admission (POA) reporting.

Applies from Q64.7 Other and unspecified congenital malformations of bladder and urethra

Excludes1 (never code together)

• congenital prolapse of bladder (mucosa) (Q79.4)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 753.8 Other specified anomalies of bladder and urethra (approximate)

Code annotations containing back-references to Q64.73

Back-references to Q64.73

• Type 1 Excludes: Q43.6 Congenital fistula of rectum and anus ("congenital urethrorectal fistula (Q64.73)")

Back-references to Q64.7

• Type 1 Excludes: N36.8 Other specified disorders of urethra ("congenital urethrocele (Q64.7)")

Diagnosis Index entries for Q64.73

• Anomaly, anomalous (congenital) (unspecified type) › urethra › fistula to rectum
• Fistula (cutaneous) › rectourethral › congenital
• Fistula (cutaneous) › urethrorectal › congenital

Nearby codes

• Q64.6 Congenital diverticulum of bladder
• Q64.7 Other and unspecified congenital malformations of bladder and urethra
• Q64.70 Unspecified congenital malformation of bladder and urethra
• Q64.71 Congenital prolapse of urethra
• Q64.72 Congenital prolapse of urinary meatus
• Q64.73 Congenital urethrorectal fistula (this code)
• Q64.74 Double urethra
• Q64.75 Double urinary meatus
• Q64.79 Other congenital malformations of bladder and urethra
• Q64.8 Other specified congenital malformations of urinary system
• Q64.9 Congenital malformation of urinary system, unspecified