definiens: : shall mean ( a ) a simultaneous analysis of protein or peptide analytes representing no greater than twenty ( 20 ) Gene Product(s ) ; ( b ) analysis of any number of molecules other than proteins ( or peptides ) or nucleic acids ; and/or ( c ) nucleic acid probe based analysis performed and visualized in situ within a cell or tissue to detect specific nucleic acid sequence(s ) representing no more than two ( 2 ) Gene Product(s ) ; each of which is tested for in a human tissue or other human biological sample, I'Class II Dx Test(s ) " : shall mean ( a ) simultaneous analysis of nucleic acid analytes representing up to and including twenty ( 20 ) Gene Product(s ) ( or single - or multi­base changes therein ) which is not perfonned and visualized in situ within a cell or tissue ; and/or ( b ) nucleic acid probe based analysis performed and visualized in situ within a cell or tissue to detect specific nucleic acid sequences representing three ( 3 ) to twenty ( 20 ) Gene Product(s ) ; each of which is tested for in a human tissue or other human biological sample . The results reported with respect to each such Gene Product included in a Class II cOx Test must be ~equired for the Test to be valid