MISCSO
Adult: 1 x 5 mL lavender top EDTA tubePediatric: 1 x 3 mL lavender top EDTA tube
Whole bloodMonday to Thursday morning collections.
Send specimen in a separate bag with a photocopy of the requisition.
CLS Referrals: Send specimens on ice by overnight courier. Specimens must be received within 24 hrs of collection at McMaster University.