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TEST NAME: PTT 1:1 Mixing Studies

CPT CODE: 85730, 85732
NGMC CODE: PTT50
SPECIMEN REQUIREMENTS: Draw blood into two citrated tubes. Centrifuge, separate plasma, and spin plasma a second time. Send 3 mL citrated plasma FROZEN. 
DEPT/TURNAROUND: Send Out/2-5 days
METHODOLOGY: Electromagnetic Mechanical Clot Detection
REFERENCE RANGES:
Partial Thromboplastin Time 26-37 seconds
Partial Thromboplastin Time 1:1 Mix (performed if PTT > 37 seconds) 26-37 seconds
Partial Thromboplastin Time 2-hr Incubation Not established
Partial Thromboplastin Time 2-hr Incubation 1:1 Mix Not established
Interpretation, Coag By report
 

 

 

 

                                                                                                                                                         


 

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