ICD-10-CM · Billable Code
N11.9 — Chronic tubulo-interstitial nephritis, unspecified
Chapter N00-N99: Diseases of the genitourinary system
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Common questions about N11.9 (Chronic tubulo-interstitial nephritis, unspecified)
What does ICD-10 code N11.9 mean?
N11.9 is the ICD-10-CM 2025 code for Chronic tubulo-interstitial nephritis, unspecified. ICD-10-CM is the medical coding system used by clinicians, hospitals and insurers worldwide to classify diseases and conditions in a standard way.
Is N11.9 a billable diagnosis code?
Yes, N11.9 is a billable / specific ICD-10-CM code, meaning it can be used by clinicians and hospitals as a primary or secondary diagnosis on claims and electronic health records.
Which ICD-10 chapter does N11.9 belong to?
N11.9 belongs to the chapter "Diseases of the genitourinary system" (codes N00-N99). ICD-10-CM organises codes into 22 chapters by body system or condition type, which helps clinicians navigate related diagnoses.
Where can I get plain-language information about Chronic tubulo-interstitial nephritis, unspecified?
For a plain-language explanation of Chronic tubulo-interstitial nephritis, unspecified, ask GoDavaii's Health AI - it explains medical conditions in 90+ languages, free, with no signup. Tap "Ask GoDavaii AI about Chronic tubulo-interstitial nephritis, unspecified" above to get a personalised answer.
Source: ICD-10-CM 2025 (Centers for Medicare & Medicaid Services, public domain). Codes valid from October 1, 2024. CMS source ↗