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N12 - Tubulo-interstitial nephritis, not specified as acute or chronic


The ICD 10 Code for Tubulo-interstitial nephritis, not specified as acute or chronic is listed as N12.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: N12
Description: Tubulo-interstitial nephritis, not specified as acute or chronic
  • Interstitial nephritis NOS
  • Pyelitis NOS
  • Pyelonephritis NOS
  • Excludes1: calculous pyelonephritis (N20.9)
Diagnostic Related Groups
(MS-DRG v30.0)
689 - Kidney & Urinary Tract Infections W Mcc
690 - Kidney & Urinary Tract Infections W/o Mcc
793 - Full Term Neonate W Major Problems
Chapter Diseases of the genitourinary system (N00-N99)
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code: 590.80 - Pyelonephritis, unspecified (approximate)