EDTA induced pseudothrombocytopenia:

Problems: unnecessary investigations, delay in doing sx

Steps if suspected (asymptomatic persistent low plt counts):
Rpt PLT COUNT and PERI SMEAR using ANOTHER anticoagulant like heparin/citrate. Or use non-anticoagulated blood taken directly into the platelet counting diluent fluid.. Can see plt clumps in peripheral smear.