Pretty sure the Nespresso ones don't. Source: I own one at home and we have one in the office and they haven't got any barcodes on any of the capsules. Heck,

Pretty sure the Nespresso ones don't. Source: I own one at home and we have one in the office and they haven't got any barcodes on any of the capsules. Heck, it'll run without any capsule at all. Tassimo does, though.