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Test Code PFA Platelet Function Screen

Specimen Type

Blood

Collection Volume

qty of 2 2.7 mL BLUE (3.2% sodium citrate) and 3.0 mL in lavender EDTA top tube

Minimum Collection Volume

qty of 2 2.7 mL BLUE (3.2% sodium citrate) and 3.0 mL in lavender EDTA top tube

Collection Instructions

Routine venipuncture. If multiple tests are being drawn, draw coagulation studies last. If only PFA is being drawn, draw lavendar tube first. Avoid drawing sample with a syringe or off of any type of patient arterial or venous line. Mix blood by gentle inversion. Do not shake.

Rejection Criteria

Clotted specimen, hemolyzed specimen, insufficient specimen, prolonged delay in delivery, specimen was not kept at room temp, specimen transported through pneumatic tube system, improperly labelled.

Specimen Storage and Stability

< 4 hours at room temperature

Turn Around Time

1 to 4 hours

Lab Department

Hematology

Alias

Platelet Function Screen; Platelet Function Analysis; PFA; Bleeding Time;

Ordering Info

The following test has special processing requirements and cannot be collected or dropped at all of our ProMedica Laboratory Draw Sites. Please call Lab Customer Service at 419-291-4134 for which draw site is able to accommodate these special requirements.

EPIC Code

LAB318

Acceptable Collection Container

qty of 2 2.7 mL BLUE (3.2% sodium citrate) and 3.0 mL in lavender EDTA top tube

Additional Information

Send sample immediately to laboratory for testing. Keep sample at room temperature. Do not transport through a pneumatic tube system.

Day(s) and Time(s) Performed

Monday through Sunday, 24 hours

CPT Code

85576 x 2