| ICD-10 Code | Description |
| D89.0 | Polyclonal hypergammaglobulinemia |
| D89.1 | Cryoglobulinemia |
| D89.2 | Hypergammaglobulinemia, unspecified |
| D89.3 | Immune reconstitution syndrome |
| 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 |
| D89.810 | 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] |
| D89.831 | 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 |
