Imipramine and Desipramine, Serum or Plasma Immunoglobulin G Subclass 3 Immune Complex Panel Immunoglobulin G Subclass 4 IA-2 Antibody Immunofixation Electrophoresis, Immunoglobulin D and Immunoglobulin E, Serum Ibuprofen Immunofixation Electrophoresis, Qualitative, Gel IDH1 and IDH2 Mutation Analysis, exon 4 Immunoglobulin A IDH1 R132H by Immunohistochemistry Immunoglobulin A (IgA) by Immunohistochemistry IDH1 R132H Point Mutation with Interpretation by Immunohistochemistry Immunoglobulin A Subclasses (1 and 2) IGF Binding Protein 2 Immunoglobulin A, CSF IGF Binding Protein-1 Immunoglobulin A, Saliva IGF Binding Protein-3 Immunoglobulin D (IgD) by Immunohistochemistry