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ICD-10-CM · FY 2026 APRIL UPDATE

D89.83

Cytokine release syndrome

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODEDESCRIPTIONTYPE
D89.831Cytokine release syndrome, grade 1Billable
D89.832Cytokine release syndrome, grade 2Billable
D89.833Cytokine release syndrome, grade 3Billable
D89.834Cytokine release syndrome, grade 4Billable
D89.835Cytokine release syndrome, grade 5Billable
D89.839Cytokine release syndrome, grade unspecifiedBillable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.