2026
ICD-10-CM
Diagnosis
Code

N10 Acute pyelonephritis

  • Billable
  • 2016–2026

N10 is a billable/specific diagnosis code from the 2026 ICD-10-CM used to classify the following condition: Acute pyelonephritis.

Inclusion term

  • Acute infectious interstitial nephritis

  • Acute pyelitis

  • Acute tubulo-interstitial nephritis

  • Hemoglobin nephrosis

  • Myoglobin nephrosis

Use additional code

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

Versions

  1. 2026

    No changes

  2. 2025

    No changes

  3. 2024

    No changes

  4. 2023

    No changes

  5. 2022

    No changes

  6. 2021

    No changes

  7. 2020

    No changes

  8. 2019

    No changes

  9. 2018

    No changes

  10. 2017

    Code changed

    • Description

        • Acute tubulo-interstitial nephritis
        • Acute pyelonephritis
    • Inclusion term

        • Acute infectious interstitial nephritis
        • Acute pyelitis
        • Acute pyelonephritis
        • Hemoglobin nephrosis
        • Myoglobin nephrosis
        • Acute infectious interstitial nephritis
        • Acute pyelitis
        • Acute tubulo-interstitial nephritis
        • Hemoglobin nephrosis
        • Myoglobin nephrosis
    • Short description

        • Acute tubulo-interstitial nephritis
        • Acute pyelonephritis
  11. 2016

    New code