N11Non-billable (header)

Chronic tubulo-interstitial nephritis

Related Codes· Renal tubulo-interstitial diseases (N10-N16)

N10Acute pyelonephritisN12Tubulo-interstitial nephritis, not specified as acute or chr…N13Obstructive and reflux uropathyN14Drug- and heavy-metal-induced tubulo-interstitial and tubula…N15Other renal tubulo-interstitial diseasesN16Renal tubulo-interstitial disorders in diseases classified e…

Sub-codes of N11(4)

N11 is a non-billable header. Select a sub-code to bill.

N11.0Nonobstructive reflux-associated chronic pyelonephritis✓ BillableN11.1Chronic obstructive pyelonephritis✓ BillableN11.8Other chronic tubulo-interstitial nephritis✓ BillableN11.9Chronic tubulo-interstitial nephritis, unspecified✓ Billable

✓ Includes

  • •chronic infectious interstitial nephritis
  • •chronic pyelitis
  • •chronic pyelonephritis

Notes

  • ℹcode (B95-B97), to identify infectious agent.

Code Hierarchy

┌14Diseases of the genitourinary system (N00-N99)├N10-N16Renal tubulo-interstitial diseases (N10-N16)├N11Chronic tubulo-interstitial nephritis
└N11Chronic tubulo-interstitial nephritis

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