N11.9
BillableChronic tubulo-interstitial nephritis, unspecified
N11.9 is the ICD-10-CM code for Chronic tubulo-interstitial nephritis, unspecified. It is a billable, specific code valid for reimbursement.
N00-N99 Diseases of the genitourinary system
Includes
- •Chronic interstitial nephritis NOS
- •Chronic pyelitis NOS
- •Chronic pyelonephritis NOS
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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