Adult: 4 x 5 mL blue top sodium citrate tubes (4.5 mL draw)
AND 1 x 5 mL lavender top EDTA tube
Pediatric: 3 x short-draw (2.7 mL draw) blue top sodium citrate tubes AND 1 x short-draw lavender top EDTA tube.
Specimens MUST be accompanied with a copy of the original requisition and Thrombophilia Screen/Related Procedures history form. Phone Special Coagulation 770-3599/770-3598 with any questions.
When using a winged blood collection set (butterfly needle) a discard tube must be used to remove the air in the tubing, if the citrate tube is the first tube drawn. | 
