Immunoglobulin Heavy Chain Diversity and Joining Region Gene Rearrangement

**Semantic type:** Cell or Molecular Dysfunction

**Definition:** A molecular abnormality indicating the presence of gene rearrangement(s) of the immunoglobulin heavy chain (IGH) locus in the regions encoding the diversity and/or joining regions.

**Synonyms:** - IGH-DJ Rearrangement - IGH-DJ Rearrangement