N11.1 Chronic obstructive pyelonephritis
Billable / valid for submission
ICD10CM
Release FY2026
Version history
| Release | Valid from | Valid to | Description | Billable |
|---|
| FY2026 | 2025-10-01 | current | Chronic obstructive pyelonephritis | yes |
Related codes in N11
- N11 Chronic tubulo-interstitial nephritis
- N11.0 Nonobstructive reflux-associated chronic pyelonephritis
- N11.8 Other chronic tubulo-interstitial nephritis
- N11.9 Chronic tubulo-interstitial nephritis, unspecified
All N11 codes →