Cytokine release syndrome, grade 4

ValidICD-10-CM diagnosis code.

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

Valid FY2021 onwards.

What has happened to this code

Every change the publisher made, from 2021 to now.

FY2021 Added to the code set Cytokine release syndrome, grade 4

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 D89 Other disorders involving the immune mechanism, not elsewhere classified

Excludes1 - never coded here

hyperglobulinemia NOS (R77.1)
monoclonal gammopathy (of undetermined significance) (D47.2)

Excludes2 - not included here

transplant failure and rejection (T86.-)

Inherited from the D80-D89 section Certain disorders involving the immune mechanism (D80-D89)

Excludes1 - never coded here

autoimmune disease (systemic) NOS (M35.9)
functional disorders of polymorphonuclear neutrophils (D71-)

Excludes2 - not included here

human immunodeficiency virus [HIV] disease (B20)

Includes

defects in the complement system
immunodeficiency disorders, except human immunodeficiency virus [HIV] disease
sarcoidosis

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.

Syndrome > cytokine release > grade 4

Codes in the same group

Code	Description	Status
D89.831	Cytokine release syndrome, grade 1	Valid
D89.832	Cytokine release syndrome, grade 2	Valid
D89.833	Cytokine release syndrome, grade 3	Valid
D89.835	Cytokine release syndrome, grade 5	Valid
D89.839	Cytokine release syndrome, grade unspecified	Valid