Q64

Non-Billable

ChapterQ00–Q99

Rankcategory

Official Description

Other congenital malformations of urinary system

Metadata & Insights

•2026 ICD-10-CM Edition - Effective October 1, 2025.
•Non-billable category (requires more specific sub-code).
•Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (Q00-Q99).

CH17 Parent Instructions

Excludes2(Not included here)

inborn errors of metabolism (E70-E88)

Clinical Hierarchy

CH17Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)

Q60-Q64Congenital malformations of the urinary system (Q60-Q64)

Q64Other congenital malformations of urinary system

Q64.0Epispadias

Q64.1Exstrophy of urinary bladder

Q64.2Congenital posterior urethral valves

Q64.3Other atresia and stenosis of urethra and bladder neck

Q64.4Malformation of urachus

Q64.5Congenital absence of bladder and urethra

Q64.6Congenital diverticulum of bladder

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

Q64.8Other specified congenital malformations of urinary system

Q64.9Congenital malformation of urinary system, unspecified

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to Q64:

chapterCH17

Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)

View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to Q64. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

25 raw paths

Absence (of) (organ or part) (complete or partial)2 unique routes

bladder (acquired)

congenital→Q64

urethra, congenital→Q64

Accessory (congenital)3 unique routes

bladder→Q64

urethra→Q64

urinary organ or tract NEC→Q64

Acystia1 unique routes

Direct index entry→Q64

Agenesis3 unique routes