Renal tubulo-interstitial disorders in diseases classified elsewhere

**Inclusion terms:** - Pyelonephritis - Tubulo-interstitial nephritis

**Excludes1:** - diphtheritic pyelonephritis and tubulo-interstitial nephritis (A36.84) - pyelonephritis and tubulo-interstitial nephritis in candidiasis (B37.49) - pyelonephritis and tubulo-interstitial nephritis in cystinosis (E72.04) - pyelonephritis and tubulo-interstitial nephritis in salmonella infection (A02.25) - pyelonephritis and tubulo-interstitial nephritis in sarcoidosis (D86.84) - pyelonephritis and tubulo-interstitial nephritis in Sjogren syndrome (M35.04) - pyelonephritis and tubulo-interstitial nephritis in systemic lupus erythematosus (M32.15) - pyelonephritis and tubulo-interstitial nephritis in toxoplasmosis (B58.83) - renal tubular degeneration in diabetes (E08-E13 with .29) - syphilitic pyelonephritis and tubulo-interstitial nephritis (A52.75)

**Code first:** - underlying disease, such as: - brucellosis (A23.0-A23.9) - cryoglobulinemia (D89.1) - glycogen storage disease (E74.0-) - leukemia (C91-C95) - lymphoma (C81.0-C85.9, C96.0-C96.9) - multiple myeloma (C90.0-) - sepsis (A40.0-A41.9) - Wilson's disease (E83.01)