Cytology FISH Accessory Kit is designed for optimal performance with Dako FISH DNA probes on cytological specimens. Instructions for the simple FISH procedure are provided with the kit. The Cytology FISH Accessory Kit contains all key reagents, except for the probe, necessary to perform 20 FISH assays, i.e. stringent wash buffer, wash buffer, antifade mounting medium with fluorescent nuclei counterstain, and coverslip sealant. No protease treatment is required. The procedure may be performed manually or using the Dako Hybridizer, Codes S2450/S2451.