ICD-10 N28
Non-Billable HeaderOther disorders of kidney and ureter, not elsewhere classified
About ICD-10-CM N28
ICD-10-CM code N28 represents Other disorders of kidney and ureter, not elsewhere classified. This is a non-billable header code in the Genitourinary System chapter (block N28). The 2026 edition of ICD-10-CM N28 became effective on October 1, 2025. Non-billable codes cannot be used as a primary or secondary diagnosis on a claim, use a more specific child code instead.
Medicare LCD Coverage for N28
Local Coverage Determinations (LCDs) from CMS MACs that list N28 as a covered diagnosis.
This doesn't mean the code isn't covered, it means no MAC has issued a Local Coverage Determination naming this specific code. Coverage may still apply under National Coverage Determinations or general medical-necessity rules.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing N28.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but N28 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with N28
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.
Codes Adjacent To N28
Other codes in section N25-N29 (Other disorders of kidney and ureter).
ICD-10 N28, Billing FAQ
Is ICD-10 code N28 billable? +
No, N28 is a non-billable header code. Use a more specific child code from block N28 when submitting claims.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on June 1, 2026.
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