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

The ICD10 code for the diagnosis "Tubulo-interstitial nephritis, not specified as acute or chronic" is "N12". N12 is a VALID/BILLABLE ICD10 code, i.e it is valid for submission for HIPAA-covered transactions.

  • N12 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2019 edition of ICD-10-CM N12 became effective on October 1, 2018.
  • This is the American ICD-10-CM version of N12 - other international versions of ICD-10 N12 may differ.
Applicable To:
  • Interstitial nephritis NOS
  • Pyelitis NOS
  • Pyelonephritis NOS
Type 1 Excludes:
  • calculous pyelonephritis (N20.9)

Codes: = Billable

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

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.