Eosinophilic esophagitis

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 2010 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.

FY2010 Added to the draft code set draft Eosinophilic esophagitis

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 K20 Esophagitis

Excludes1 - never coded here

erosion of esophagus (K22.1-)
esophagitis with gastro-esophageal reflux disease (K21.0-)
reflux esophagitis (K21.0-)
ulcerative esophagitis (K22.1-)

Excludes2 - not included here

eosinophilic gastritis or gastroenteritis (K52.81)

Use additional code

code to identify:
alcohol abuse and dependence (F10.-)

Inherited from the K20-K31 section Diseases of esophagus, stomach and duodenum (K20-K31)

Excludes2 - not included here

hiatus hernia (K44.-)

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.

Inflammation, inflamed, inflammatory > esophagus
Esophagitis > eosinophilic

Codes in the same group

Code	Description	Status
K20.8	Other esophagitis	Not billable
K20.9	Esophagitis, unspecified	Not billable