Rheumatoid Factor
RAT; Rheumatoid Arthritis test; RF; RA Serology; RA Latex; RhF
Biochemistry
SST
PLW
1 Day
Yes
RHEU
Avoid freezing serum. Heparin samples only stable for 72 hours at refrigerated temperatures. EDTA is not an acceptable sample additive.
Lithium Heparin
Fridge
1 week