ICD-10-CM › N00-N99 › N25-N29 › N26 Unspecified contracted kidney › N26.1

N26.1

Atrophy of kidney (terminal)

ValidICD-10-CM diagnosis code.

Valid for claims with a date of service in the current code year.

Valid FY2016 onwards.

What has happened to this code

Every change the publisher made, from 2007 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. FY2007 Added to the draft code set draft Atrophy of kidney (terminal)

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.

Inherited from N26 Unspecified contracted kidney

Excludes1 - never coded here

  • contracted kidney due to hypertension (I12.-)
  • diffuse sclerosing glomerulonephritis (N05.8.-)
  • hypertensive nephrosclerosis (arteriolar) (arteriosclerotic) (I12.-)
  • small kidney of unknown cause (N27.-)

Inherited from the N25-N29 section Other disorders of kidney and ureter (N25-N29)

Excludes2 - not included here

  • disorders of kidney and ureter with urolithiasis (N20-N23)

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

Codes in the same group

CodeDescriptionStatus
N26.2 Page kidney Valid
N26.9 Renal sclerosis, unspecified Valid