Q63.0 – Accessory kidney

ICD-10-CM 2027 diagnosis code · Congenital malformations of the urinary system

Billable code

ICD-10-CM code Q63.0

Code: Q63.0 (claims format: Q630)
Description: Accessory kidney
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 17. Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1)
Block: Q60-Q64 Congenital malformations of the urinary system
Parent codes: Q63

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Q63 – Other congenital malformations of kidney

Excludes1 (not coded here):

congenital nephrotic syndrome (N04.-)

Index terms for Q63.0

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in Q63

Q63.1 – Lobulated, fused and horseshoe kidneyBillable
Q63.2 – Ectopic kidneyBillable
Q63.3 – Hyperplastic and giant kidneyBillable
Q63.8 – Other specified congenital malformations of kidneyBillable
Q63.9 – Congenital malformation of kidney, unspecifiedBillable

Frequently asked questions

What is ICD-10 code Q63.0?

Q63.0 is the ICD-10-CM code for accessory kidney, in the block Q60-Q64 (Congenital malformations of the urinary system).

Is Q63.0 a billable code?

Yes. Q63.0 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does Q63.0 belong to?

It belongs to category Q63 – Other congenital malformations of kidney.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.