N10 ACUTE PYELONEPHRITIS

Code Information

  • Diagnosis Code: N10
  • Short Description: Acute pyelonephritis
  • Long Description: Acute pyelonephritis
  • Code Version: 2025 ICD-10-CM

The code N10 is VALID for claim submission

Code Classification

Synonyms

  • Acute bacterial tubulointerstitial nephritis
  • Acute fungal tubulointerstitial nephritis
  • Acute infectious tubulointerstitial nephritis
  • Acute infectious tubulointerstitial nephritis
  • Acute infectious tubulointerstitial nephritis
  • Acute infectious tubulointerstitial nephritis
  • Acute nephritis due to another disorder
  • Acute on chronic tubulointerstitial nephritis
  • Acute pyelitis
  • Acute pyelitis
  • Acute pyelitis with renal medullary necrosis
  • Acute pyelitis without renal medullary necrosis
  • Acute pyelonephritis
  • Acute pyelonephritis
  • Acute pyelonephritis
  • Acute pyelonephritis
  • Acute pyelonephritis
  • Acute pyelonephritis
  • Acute pyelonephritis
  • Acute pyelonephritis caused by bacterium
  • Acute pyelonephritis caused by bacterium
  • Acute pyelonephritis with medullary necrosis
  • Acute pyelonephritis without medullary necrosis
  • Acute tubulointerstitial nephritis
  • Acute tubulointerstitial nephritis
  • Acute tubulointerstitial nephritis
  • Acute tubulointerstitial nephritis
  • Acute tubulointerstitial nephritis
  • Acute tubulointerstitial nephritis
  • Acute tubulointerstitial nephritis associated with systemic infection
  • Acute tubulo-interstitial nephritis due to immunological disorder
  • Acute viral tubulointerstitial nephritis
  • Bacterial nephritis
  • Emphysematous pyelitis
  • Emphysematous pyelonephritis
  • Focal pyelonephritis
  • Fungal infection of kidney
  • Idiopathic acute tubulointerstitial nephritis
  • Pyelitis
  • Pyelitis
  • Pyelitis
  • Pyelitis
  • Pyelonephritis associated with another disorder
  • Renal ocular syndrome
  • Viral kidney infection

Diagnostic Related Group(s)

The code N10 is grouped in the following Diagnostic Related Group(s) MS-DRG V43.0

  1. Kidney And Urinary Tract Infections With Mcc (689)
  2. Kidney And Urinary Tract Infections Without Mcc (690)

References to Index of Diseases and Injuries

The code N10 has the following ICD-10-CM references to the Index of Diseases and Injuries

  • Inclusion Terms:
    • Acute infectious interstitial nephritis
    • Acute pyelitis
    • Acute tubulo-interstitial nephritis
    • Hemoglobin nephrosis
    • Myoglobin nephrosis

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
N10 Right Arrow 590.10 Ac pyelonephritis NOS
590.11 Ac pyelonephr w med necr
This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
This page was last updated on: 10/1/2025