Other congenital malformations of kidney (Q63) ICD-10-CM
The Q63 code range covers other congenital malformations of kidney with 7 ICD-10-CM diagnosis codes. 6 of them are billable and valid for claim submission in fiscal year 2027, and the category headers group them but cannot themselves be billed.
Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
- congenital nephrotic syndrome N04
Codes in the Q63 Range 7 codes · 6 billable
About the Q63 Code Range
These kidney malformations are present at birth and belong to the broader group of urinary system malformations.
The subdivisions distinguish an extra kidney (Q63.0); kidneys with lobes or joined together, including horseshoe kidneys (Q63.1); and a kidney outside its usual location (Q63.2). Q63.3 describes an overgrown or giant kidney. Q63.8 identifies other specified kidney malformations, while Q63.9 leaves the malformation unspecified.
Questions About This Page
How many billable codes are in the Q63 range?
Of the 7 codes in this range, 6 are billable and valid for claim submission from October 1, 2026 through September 30, 2027. Category header codes group them but cannot be reported on claims.
What does the Q63 range classify?
The range classifies other congenital malformations of kidney. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.
