Information on collection, storage, and volume
Formalin fixed paraffin-embedded (FFPE) tissue block or slides
One paraffin block or seven unstained, positively charged tissue slides cut at 4-5 microns
Five unstained slides
Paraffin block transport pouch or slide mailer
Maintain specimen at room temperature.
Tumor type other than colorectal cancer (CRC); fixative other than neutral buffered formalin; insufficient tumor cellularity.
Specimen should be fixed in a 10% neutral-buffered formalin. Cold ischemic time should be less than one hour and fixation time should be between six and 72 hours.