D89 Other disorders involving the immune mechanism, not elsewhere classified

Coding Notes

Active
Non-billable / Non-specific, not valid for HIPAA-covered transactions

Type 1 Excludes

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

Tyoe 2 Excludes

transplant failure and rejection (T86.-)

Child Codes


Sibling Codes


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Code Title
D50-D89 Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
D80-D89 Certain disorders involving the immune mechanism (D80-D89)
D89 Other disorders involving the immune mechanism, not elsewhere classified
Type 1 Excludes
hyperglobulinemia NOS (R77.1)
monoclonal gammopathy (of undetermined significance) (D47.2)

Type 2 Excludes
transplant failure and rejection (T86.-)

D89.0 Polyclonal hypergammaglobulinemia
D89.1 Cryoglobulinemia
D89.2 Hypergammaglobulinemia, unspecified
D89.3 Immune reconstitution syndrome
D89.4 Mast cell activation syndrome and related disorders
D89.40 Mast cell activation, unspecified
D89.41 Monoclonal mast cell activation syndrome
D89.42 Idiopathic mast cell activation syndrome
D89.43 Secondary mast cell activation
D89.44 Hereditary alpha tryptasemia
D89.49 Other mast cell activation disorder
D89.8 Other specified disorders involving the immune mechanism, not elsewhere classified
D89.81 Graft-versus-host disease
D89.810 Acute graft-versus-host disease
D89.811 Chronic graft-versus-host disease
D89.812 Acute on chronic graft-versus-host disease
D89.813 Graft-versus-host disease, unspecified
D89.82 Autoimmune lymphoproliferative syndrome [ALPS]
D89.83 Cytokine release syndrome
D89.831 Cytokine release syndrome, grade 1
D89.832 Cytokine release syndrome, grade 2
D89.833 Cytokine release syndrome, grade 3
D89.834 Cytokine release syndrome, grade 4
D89.835 Cytokine release syndrome, grade 5
D89.839 Cytokine release syndrome, grade unspecified
D89.89 Other specified disorders involving the immune mechanism, not elsewhere classified
D89.9 Disorder involving the immune mechanism, unspecified