Diagnosis Code: N11.9

Short Description: Chronic tubulo-interstitial nephritis, unspecified

Long Description: Chronic tubulo-interstitial nephritis, unspecified

The code N11.9 is VALID for claim submission

Code Classification:

• Diseases of the genitourinary system (N00–N99)
  • Renal tubulo-interstitial diseases (N10-N16)
    • Chronic tubulo-interstitial nephritis (N11)
      • N11.9 Chronic tubulo-interstitial nephritis, unspecified

Code Version: 2022 ICD-10-CM

Synonyms

• Acute on chronic tubulointerstitial nephritis
• Chronic pyelitis
• Chronic pyelonephritis
• Chronic pyelonephritis
• Chronic pyelonephritis with medullary necrosis
• Chronic pyelonephritis without medullary necrosis
• Chronic tubulointerstitial nephritis
• Chronic tubulo-interstitial nephritis due to connective tissue disorder
• Chronic tubulointerstitial nephritis due to ischemia
• Chronic tubulointerstitial nephritis due to metabolic disease
• Chronic tubulointerstitial nephritis due to neoplastic disease
• Chronic tubulointerstitial nephritis following renal transplantation
• Idiopathic chronic tubulointerstitial nephritis
• Ischemic nephropathy
• Pyelitis

Diagnostic Related Group(s)

The code N11.9 is grouped in the following Diagnostic Related Group(s) (MS-DRG v39.0)

• Kidney And Urinary Tract Infections With Mcc (689)
• Kidney And Urinary Tract Infections Without Mcc (690)

References to Index of Diseases and Injuries

The code N11.9 has the following ICD-10-CM references to the Index of Diseases and Injuries

• Inclusion Terms:
  • Chronic interstitial nephritis NOS
  • Chronic pyelitis NOS
  • Chronic pyelonephritis NOS

Crosswalk Information

Similar Codes

This page was last updated on: 10/1/2023

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