N10-N16

Renal tubulo-interstitial diseases

Block coding notes

Excludes 1 never together · Excludes 2 may co-exist

Includes

pyelonephritis

Excludes 1

pyeloureteritis cystica (N28.85)

Codes in this block

44 codes

Billableusable codeNon-billableheader / grouping codeRisk-adjusting

Official Guidelines for N10-N16

FY 2026 ›