| D89 |
Other disorders involving the immune mechanism, not elsewhere classified |
| 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 |
| D89.81 |
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 |
| D89.84 |
IgG4-related disease |
| D89.89 |
Other specified disorders involving the immune mechanism, not elsewhere classified |
| D89.9 |
Disorder involving the immune mechanism, unspecified |