preferred_name: Cytochrome P450, family 2, subfamily D, polypeptide 6 (CYP2D6) gene analysis for common and select rare variants (*2, *3, *4, *4N, *5, *6, *7, *8, *9, *10, *11, *12, *13, *14A, *14B, *15, *17, *29, *35, *36, *41, *57, *61, *63, *68, *83, *xN)