N11 - Chronic tubulo-interstitial nephritis
Includes:
-chronic infectious interstitial nephritis
-chronic pyelitis
-chronic pyelonephritis
Use Additional Code:
-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