N28
⚠ Non-billable
Other disorders of kidney and ureter, not elsewhere classified
ICD-10-CM · FY2026 · Diseases of the Genitourinary System
Code
N28
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Diseases of the Genitourinary System
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code N28?
ICD-10-CM code N28 represents Other disorders of kidney and ureter, not elsewhere classified. It is a non-billable header code requiring a more specific subcategory in the Diseases of the Genitourinary System chapter, effective October 1, 2025 – September 30, 2026.
Is N28 billable?
No. N28 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is N28 in?
N28 belongs to the Diseases of the Genitourinary System chapter (N00–N99) of ICD-10-CM.
Related codes in the N28 category
N28.0
Ischemia and infarction of kidney
Billable
N28.1
Cyst of kidney, acquired
Billable
N28.8
Other specified disorders of kidney and ureter
Non-billable
N28.9
Disorder of kidney and ureter, unspecified
Billable
N28.81
Hypertrophy of kidney
Billable
N28.82
Megaloureter
Billable
N28.83
Nephroptosis
Billable
N28.84
Pyelitis cystica
Billable
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