ICD-10-CM · Chapter 14 · N00-N99
N10 Acute pyelonephritis
Includes
- Acute infectious interstitial nephritis
- Acute pyelitis
- Acute tubulo-interstitial nephritis
- Hemoglobin nephrosis
- Myoglobin nephrosis
Use Additional Code
- code (B95-B97), to identify infectious agent.
This category is a complete, billable diagnosis code.
No additional specificity is required — submit N10 directly on claims and documentation without a subcode extension.
Last reviewed: September 2026