N28.85
✓ Billable
Pyeloureteritis cystica
ICD-10-CM · FY2026 · Diseases of the Genitourinary System
Code
N28.85
System
ICD-10-CM
Billable
Yes — valid for submission
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 N28.85?
ICD-10-CM code N28.85 represents Pyeloureteritis cystica. It is a billable diagnosis code in the Diseases of the Genitourinary System chapter, effective October 1, 2025 – September 30, 2026.
Is N28.85 billable?
Yes. N28.85 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is N28.85 in?
N28.85 belongs to the Diseases of the Genitourinary System chapter (N00–N99) of ICD-10-CM.
Related codes in the N28 category
N28
Other disorders of kidney and ureter, not elsewhere classified
Non-billable
N28.0
Ischemia and infarction of kidney
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N28.1
Cyst of kidney, acquired
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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
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N28.82
Megaloureter
Billable
N28.83
Nephroptosis
Billable
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