Test Code SOFT: PTT Partial Thromboplastin Time (PTT), Plasma

Important Note

NOTE: This test cannot be performed on a finger or heel stick.

Ordering Mnemonic
EPIC NAME: PTT EPIC CODE: LAB325

Ordering Mnemonic

EPIC NAME: PTT

EPIC CODE: LAB325

Saint Francis Medical Center-Coagulation

Submit only 1 of the following specimens:

Specimen Type: Whole blood

Container/Tube: Light-blue top (3.2% sodium citrate) tube; must be filled to line

Specimen Volume: Send entire unopened tube - If the specimen is uncapped, then proceed to plasma instructions.

Stability: 4 Hours (Ambient)

Collection Instructions: Label specimen as whole blood.

Specimen Type: Platelet-poor plasma

Collection Container/Tube: Light-blue top (3.2% sodium citrate) tube; must be filled to line

Submission Container/Tube: Plastic vial

Specimen Volume: 2 mL

Specimen Minimum Volume: 1 mL

Stability: 4 hours (A); 14 Days (F), if separated and immediately frozen at -20'C

Collection Instructions: Label specimen as plasma.

Whole Blood: Ambient (must be collected in Cape Girardeau and received at testing lab within 3 hours)

Plasma: Ambient (must be received at testing lab within 3 hours), otherwise send Frozen

Refrigeration not acceptable

See laboratory report.

Monday through Sunday

85730

Mechanical Clot Detection