According to the new nomenclature criteria,2the recommended pattern to identify the disorders associated to mutations in theTTRgene (hereditary ATTR) is ATTRV, whereAstands for amyloidosis,TTRstands for transthyretin andvstands for variant or mutant, followed by the clinical manifestation: ATTRv with peripheral neuropathy (ATTRv-PN), ATTRv with cardiomyopathy (ATTRv-CA), etc. The gene discussed is TTR; the disease is amyloidosis.