Hot Mail: Temperature Exposure during Mail Return of an Immunochemical Fecal Occult Blood Test.
Geraldine Laven-LawDawn BastinRobert J L FraserCharles CockGraeme P YoungJean M WinterErin L SymondsPublished in: Clinical chemistry (2023)
Although FIT samples are exposed to elevated temperatures during mail transit, this is brief and does not significantly reduce FIT Hb concentration. These data support continuation of CRC screening during warm weather with modern FITs with a stabilizing agent when mail delivery is ≤4 days.