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Lab Test Dictionary

aPTT 1:1 Mix


Activated PTT 1:1 Mix, Activated Partial Thromboplastin Time 1:1 Mix

Specimen Type


Performing Lab

RCHSD Hematology

Epic ID


Lab Test Days

As received

Standard TAT

3 hrs

Stat TAT

1 hr

Collection Information

Specimen Required

1.8-2.7 mL Blood

Container Type

Light Blue (Sodium Citrate)

Processing Information - Lab Use Only

Transport Temperature


Test Volume Required

1 mL Plasma

Minimum Test Volume

0.5 mL Plasma

Processing Instructions

Plasma must be separated from cells within 4 hours of collection.