I checked in Team this morning and they accept specimens and add-on for 24 hours at room temp and refrigerated. This was validated internally as our organization completely standardized to Sysmex at all hospital and clinic locations.Rick
deBaca ME, Gulati GL, Kocher W, Schwarting R: Effects of storage of blood at
room temperature on hematologic parameters measured on Sysmex XE-2100.
Lab Med 37(1): 28-36, 2006.