D-Dimer

Patients are only collected at all Acute Care Hospital sites, all Health Centres (Airdrie Community Health Centre, Cochrane Community Health Centre, Sheldon M Chumir Health Centre, South Calgary Health Centre), and extra-regional hospitals.
Test cannot be collected by Mobile Collection Service (MCS)

PSC:
DO NOT collect test (except for Airdrie, Cochrane, SMCHC, and SCHC PSCs).
Order and cancel test (cancellation reason LAB-Not Collected). Add order comment with coded phrase "DDimer".
Patient MUST be referred to specific sites for collection. Provide patient with a completed copy of the form PSC.8026 Special Test Collection: NOT collected at this Location. Select appropriate collection site on form. Form provides location/hours of the applicable collection labs.


Adult:

Pediatric:
1 x 2.7 or 1.8 mL short-draw blue top sodium citrate tube

Whole blood

It is important to fill tube to maximum draw. Mix well.
Indicate collection time on tube.

When using a winged blood collection set (butterfly needle) a discard tube must be used to remove the air in the tubing, if only a citrate tube is drawn or is the first tube drawn.

DO NOT centrifuge. Keep at room temperature.
Testing must be done within 24 hours of collection.

Extra-regional:
If arrival of sample will be greater than 24hrs after collection, centrifuge sample, freeze plasma and ship sample frozen.