| ICD-10-CM-2023 > N00-N99 > N10-N16 > N11 |
N10-N16 | Renal tubulo-interstitial diseases | |
Incl.: | pyelonephritis | |
Excl1.: | pyeloureteritis cystica (N28.85) | |
N11 | Chronic tubulo-interstitial nephritis | |
Incl.: | chronic infectious interstitial nephritis chronic pyelitis chronic pyelonephritis | |
Use add'l | code (B95-B97), to identify infectious agent. | |
N11.0 | Nonobstructive reflux-associated chronic pyelonephritis | |
Info: | Pyelonephritis (chronic) associated with (vesicoureteral) reflux | |
Excl1.: | vesicoureteral reflux NOS (N13.70) | |
N11.1 | Chronic obstructive pyelonephritis | |
Info: | Pyelonephritis (chronic) associated with anomaly of pelviureteric junction Pyelonephritis (chronic) associated with anomaly of pyeloureteric junction Pyelonephritis (chronic) associated with crossing of vessel Pyelonephritis (chronic) associated with kinking of ureter Pyelonephritis (chronic) associated with obstruction of ureter Pyelonephritis (chronic) associated with stricture of pelviureteric junction Pyelonephritis (chronic) associated with stricture of ureter | |
Excl1.: | calculous pyelonephritis (N20.9) obstructive uropathy (N13.-) | |
N11.8 | Other chronic tubulo-interstitial nephritis | |
Info: | Nonobstructive chronic pyelonephritis NOS | |
N11.9 | Chronic tubulo-interstitial nephritis, unspecified | |
Info: | Chronic interstitial nephritis NOS Chronic pyelitis NOS Chronic pyelonephritis NOS | |
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