Q64.9
Congenital malformation of urinary system, unspecified
Q64.9 (also written Q649) is a billable ICD-10-CM diagnosis code for congenital malformation of urinary system, unspecified. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 22 codes in category Q64 (Other congenital malformations of urinary system). The Alphabetic Index lists it under 3 entries. Its coding notes include 1 Excludes2 entry.
Guidelines tip
From the FY2027 Official Guidelines. ICD10Ref adds no rules of its own.
Chapter 17 codes can be used for life. Manifestations that are an inherent part of a specifically coded anomaly are not coded separately. A corrected malformation is reported with a personal history code.
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Also from chapter/block level (1 note)
- inborn errors of metabolism (E70-E88)
Inclusion terms
Conditions classified to this code.
- Congenital anomaly NOS of urinary system
- Congenital deformity NOS of urinary system
Notes
Also from chapter/block level (1 note)
- Codes from this chapter are not for use on maternal records
Alphabetic Index terms
Terms the official Alphabetic Index lists for this code. 3 entries