TAT 6 weeks CPT Code 81403 81406 81407 81479 Test Code 2194 Test Methods Sequencing Deletion/Duplication analysis Specimen Types Accepted Blood Saliva Cultured Cells Extracted DNA Documents General Test Requisition Form Genes CACNA1C CALM1 CALM2 CALM3 KCNE1 KCNH2 KCNJ2 KCNQ1 SCN5A TRDN