COMPLEMENT FACTOR I - SDL

Test Information

Name: COMPLEMENT FACTOR I

Code: N5194-QD

Sample Type: Blood

Turnaround Time (TAT): 17 days

Preparation & Notes

it is Fibrinogen Activity, Clauss Preferred Specimen(s) One full 3.2% sodium citrate (light blue-top) tube Alternative Specimen(s) 1 mL platelet-poor anticoagulated plasma collected in a 3.2% sodium citrate (light blue-top) tube, separated and frozen immediately Minimum Volume 0.5 mL if as a single test Collection Instructions Correct ratio of blood to citrate is critical. Do not overfill or underfill collection tube. Mix by inversion 4 times. Do not pool plasma from multiple tubes. For non-heparinized patients, maintain specimen at room temperature. Do not uncap. Non-heparinized patients are stable up to 72 hours at room temperature. Heparinized patients stable for 24 hours at room temperature. If testing cannot be completed within stability limits, centrifuge specimen within 1 hour of collection at 1500 g. Transfer plasma to a transport tube and freeze at -20° C immediately. Transport Container Whole blood: 3.2% sodium citrate (light blue-top) tube Plasma: Transport tube (frozen) Transport Temperature Room temperature: 3.2% sodium citrate (light blue-top) tube Frozen: Plasma in transport tube Specimen Stability Whole blood (3.2% sodium citrate) Room temperature: 72 hours (non-heparinized) Platelet-poor plasma Frozen -20° C: 30 days Frozen -70° C: 6 months Reject Criteria Gross hemolysis • Clotted