| Namespace | disease_ontology | Obsolete | false |
| description | A hyper IgM syndrome that is characterized by normal or elevated serum IgM levels with absence of IgG, IgA, and IgE, resulting in a profound susceptibility to bacterial infections that has_material_basis_in homozygous or compound heterozygous mutation in the AICDA gene on chromosome 12p13. |
