N11: Chronic tubulo-interstitial nephritis includes chronic infectious interstitial nephritis chronic pyelitis chronic pyelonephritis useAdditionalCode code (B95-B97), to identify infectious agent. |
| N11.0: Nonobstructive reflux-associated chronic pyelonephritis |
| N11.1: Chronic obstructive pyelonephritis |
| N11.8: Other chronic tubulo-interstitial nephritis |
| N11.9: Chronic tubulo-interstitial nephritis, unspecified |