Test ID: 706585 CPT code: 81261; 81264 Synonyms: B-Cell Gene Rearrangements Profile, IgH and IgK IgH Clonality Assay IgH Gene Rearrangement Assay IgK Clonality Assay IgK Gene Rearrangement Assay Clinical Use: This profile can be used to detect clonal B-cell immunoglobulin heavy chain (IgH) and immunoglobulin κ light chain (IgK) gene rearrangements in blood, bone marrow, and tissue specimens with …