Before preparing libraries, create a sample sheet to record the index adapter combinations and other information about your samples. Sample sheet options and requirements depend on the instrument. For information, see the instrument support pages.
TruSeq DNA CD Indexes (formerly TruSeq HT) provide combinatorial dual (CD) index adapters that are compatible with the following library prep kits:
Depending on the library prep kit configuration, the TruSeq DNA CD Indexes are either bundled with the library prep kit or sold separately as catalog # 20015949.