Excessive keratinized residual ridge mucosa

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.

FY2007 Added to the draft code set draft Excessive keratinized residual ridge mucosa

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 K13 Other diseases of lip and oral mucosa

Excludes2 - not included here

certain disorders of gingiva and edentulous alveolar ridge (K05-K06)
cysts of oral region (K09.-)
diseases of tongue (K14.-)
stomatitis and related lesions (K12.-)

Use additional code

code to identify:
alcohol abuse and dependence (F10.-)
exposure to environmental tobacco smoke (Z77.22)
exposure to tobacco smoke in the perinatal period (P96.81)
history of tobacco dependence (Z87.891)
occupational exposure to environmental tobacco smoke (Z57.31)
tobacco dependence (F17.-)
tobacco use (Z72.0)

Includes

epithelial disturbances of tongue

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.

Keratinized residual ridge mucosa > excessive
Keratinization of alveolar ridge mucosa > excessive

Codes in the same group

Code	Description	Status
K13.21	Leukoplakia of oral mucosa, including tongue	Valid
K13.22	Minimal keratinized residual ridge mucosa	Valid
K13.24	Leukokeratosis nicotina palati	Valid
K13.29	Other disturbances of oral epithelium, including tongue	Valid