Q64.8 Other specified congenital malformations of urinary system

✓ Billable ICD-10-CM 2026
Open Q64.8 in Web App →

The ICD-10-CM code for Other specified congenital malformations of urinary system is Q64.8 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Section
Q60-Q64: Congenital malformations of the urinary system (Q60-Q64)
Category Q64
26 codes (22 billable)
FY2026 Status
Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to Q64.8:

  • Accessory (congenital) › urinary organ or tract NEC
  • Atresia, atretic › urinary tract NEC
  • Agenesis › urinary tract NEC
  • Fistula (cutaneous) › umbilicourinary

U.S. Hospital Utilization

  • An estimated 695 U.S. inpatient stays in 2023 included Q64.8 among the documented diagnoses.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

Official Coding Guidelines

POA indicator for congenital conditions/anomalies and Q00-Q99 exception

Congenital conditions and anomalies Assign “Y” for congenital conditions and anomalies except for categories Q00- Q99, Congenital anomalies, which are on the exempt list. Congenital conditions are always considered present on admission.

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section III

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Related Codes

Parent Code

Q64 Other congenital malformations of urinary system

Related Codes in Q64

Q64 Other congenital malformations of urinary system Q64.0 Epispadias 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 Q64.2 Congenital posterior urethral valves 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 Q64.4 Malformation of urachus Q64.5 Congenital absence of bladder and urethra 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
Search all 70,000+ ICD-10-CM codes →
Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

Get HCC Mappings, Clinical Summaries, and More

Access premium features including HCC risk adjustment, FDA drug indications, AI coding assistant, and comprehensive clinical context.

Start Free Trial