Fontan-associated lymphatic dysfunction

ValidICD-10-CM diagnosis code.

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

Valid FY2026 onwards.

What has happened to this code

Every change the publisher made, from 2026 to now.

FY2026 Added to the code set Fontan-associated lymphatic dysfunction

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.

Malfunction
Dysfunction > lymphatic > Fontan-associated
Circulation > Fontan related > with > Fontan-associated lymphatic dysfunction

Codes in the same group

Code	Description	Status
I27.840	Fontan-associated liver disease [FALD]	Valid
I27.848	Other Fontan-associated condition	Valid
I27.849	Fontan related circulation, unspecified	Valid