ICD-10-CM › N00-N99 › N10-N16 › N codes › N11

N11

Chronic tubulo-interstitial nephritis

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

A category header for its whole life, FY2016 onwards. It has never been valid for submission on its own.

Submit one of these 4 more specific codes instead:

  • 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

What has happened to this code

Every change the publisher made, from 2012 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

  1. FY2012 Added to the draft code set draft Chronic tubulo-interstitial nephritis

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

This code

Use additional code

  • code (B95-B97), to identify infectious agent.

Includes

  • chronic infectious interstitial nephritis
  • chronic pyelitis
  • chronic pyelonephritis

Inherited from the N10-N16 section Renal tubulo-interstitial diseases (N10-N16)

Excludes1 - never coded here

  • pyeloureteritis cystica (N28.85)

Includes

  • pyelonephritis