Sign in →

Test Code LAB2312 PTT Mixing Studies

Test Performed By

Cayuga Medical Center, Main Laboratory

Container Name

Light-blue top (citrate)

Day(s) and Time(s) Test Performed

Monday through Friday, must arrive by 2 pm

List Price

80.00

Temperature

ambient or refrigerated

Clinical and Interpretive

Mixing studies are performed to determine whether a prolonged PTT is due to factor deficiency or an inhibitor. Patient plasma is mixed with normal plasma and PTT is measured. Pathologist interpretation is provided on all mixing studies.

Specimen Type

Plasma

Specimen Volume

4 mL

Minimum Specimen Volume

4 mL

Specimen Stability

Stability: 4 hours ambient or refrigerated

 

Collection outside of Main Campus and PSC locations must aliquot and transport frozen.

 

Freeze plasma if testing is not performed within 4 hours.