Q64.9
Billable codeCongenital malformation of urinary system, unspecified
The ICD-10 code for congenital malformation of urinary system, unspecified is Q64.9.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Congenital anomaly NOS of urinary system
- Congenital deformity NOS of urinary system
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This code describes an unspecified presentation. If the medical record documents a more specific detail (e.g. laterality, type, or affected site), a more specific sibling code should be used instead — see Related codes below.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- Q64.0Epispadias
- Q64.1Exstrophy of urinary bladdernon-billable header
- Q64.2Congenital posterior urethral valves
- Q64.3Other atresia and stenosis of urethra and bladder necknon-billable header
- 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 urethranon-billable header
- Q64.8Other specified congenital malformations of urinary system
- Q64.9Congenital malformation of urinary system, unspecified
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 7539Approximate match
Associated MS-DRGs
Q64.9 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.