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Lab Test Dictionary

Hemostasis Panel A

Methodology

Clotting Assay; Automated Immunoturbidimetric Assay

Specimen Type

Plasma

Performing Lab

UCSD Special Coag

Epic ID

LAB00193

Lab Test Days

Monday-Friday

Stat TAT

Call Lab

Collection Information

Specimen Required

(Two) 1.8 mL or (Two) 2.7 mL Blood

Container Type

Light Blue (Sodium Citrate)

Processing Information - Lab Use Only

Transport Temperature

Frozen-Only

Specimen Stability

Room Temp: 2 Hours; Refrigerated: 4 Hours;; Frozen: 6 Months

Rejection Criteria

Hemolysis; Clotted; Improper line draw; Hematocrit >56; Other Thrombin Inhibitors

Test Volume Required

(Two) 1.35 mL Platelet Poor Plasma

Minimum Test Volume

(Two) 1 mL Platelet Poor Plasma

Processing Instructions

Centrifuge for 15 minutes and separate plasma. Centrifuge a second time and separate to send platelet poor plasma. Complete a UCSD Special Coag requisition and place specimen in the -70 freezer for routine courier pick-up Monday-Friday at 0700. If ordered STAT, call UCSD Special Coag to see if they will run it STAT, and if so, call Dynamex for a rush pick up Monday-Friday ONLY 0800-1430.

Included Tests

PT/INR, aPTT, Factor VIII, von Willebrand Antigen and Activity. If aPTT is prolonged, they will also run aPTT 1:1 mix, Factor IX, Factor XI and Factor XII.