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N15.8

N15.8: Other specified renal tubulo-interstitial diseases

Billable / specific codeICD-10-CM

N15.8 is a billable, specific ICD-10-CM code for other specified renal tubulo-interstitial diseases. It is valid for submission on a claim.

Check N15.8 with the rest of the claim: free scrubber

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

N15.8 is named in 3 Medicare coverage policies: 3 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A55336Billing and Coding: Retroperitoneal Ultrasound
  • A56421Billing and Coding: CT of the Abdomen and Pelvis
  • A57189Billing and Coding: Serum Magnesium

Alphabetic index entries that lead here

  • Granuloma›kidney
  • Disease, diseased›tubulo-interstitial›specified NEC
  • Infection, infected, infective›kidney›specified NEC

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under N15

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.