Q64.2 ICD-10-CM Code: Congenital posterior urethral valves
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Inpatient Payment Groups (MS-DRG)
MS-DRGs this diagnosis helps define, as principal or secondary, per the CMS ICD-10-CM/PCS MS-DRG Definitions Manual v43.0 (FY2026), Appendix B.
- MS-DRG 698 — OTHER KIDNEY AND URINARY TRACT DIAGNOSES WITH MCC (MDC 11)
- MS-DRG 699 — OTHER KIDNEY AND URINARY TRACT DIAGNOSES WITH CC (MDC 11)
- MS-DRG 700 — OTHER KIDNEY AND URINARY TRACT DIAGNOSES WITHOUT CC/MCC (MDC 11)
A diagnosis appearing in a group's logic does not by itself determine the DRG assigned to a stay; the grouper uses the full claim.
Code Set: Valid FY2026 and FY2027. FY2026 took effect October 1, 2025.
Official Registry Overview & Definition
Congenital posterior urethral valves is a billable ICD-10-CM diagnosis code (Q64.2).
Nearest Codes in This Family
Official ICD-10-CM classifications closest to Q64.2 in its code family, with their registry titles.
- Q64.1 — Exstrophy of urinary bladder
- Q64.10 — Exstrophy of urinary bladder, unspecified
- Q64.11 — Supravesical fissure of urinary bladder
- Q64.12 — Cloacal exstrophy of urinary bladder
- Q64.19 — Other exstrophy of urinary bladder
- Q64.3 — Other atresia and stenosis of urethra and bladder neck
- Q64.31 — Congenital bladder neck obstruction
- Q64.32 — Congenital stricture of urethra
- Q64.33 — Congenital stricture of urinary meatus
- Q64.39 — Other atresia and stenosis of urethra and bladder neck
Indexed Clinical Terms (4)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Malformation (congenital), urethra, posterior valves
- Stricture, urethra (organic) (spasmodic), congenital, valvular (posterior)
- Stricture, urethra (organic) (spasmodic), valvular, congenital (posterior)
- Valve, valvular (formation), urethra (congenital) (posterior)