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APTT Mixing Study (PTT Mixing Study)
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AZ locations send to SQL via STAT courier if ordered as ES or ST
AZ locations send to SQL via STAT courier if ordered as ES or ST
Test Code
APTT MIX
Alias/See Also
Performed at SQL, test code 15748
CPT Codes
85730
Instructions
Follow the double spin process to produce platelet poor plasma. Plasma, Citrate Plt-Poor Two 2.7 mL filled light blue-top (3.2% Na citrate) tubes. Centrifuge without delay. Transfer only top 2/3 of plasma (plasma must be platelet free) into two plastic vials (1.0 mL minimum of plasma into each plastic vial). If other coagulation tests are ordered, freeze a minimum of three plastic vials. Place in a specimen bag with a frozen label applied. Freeze immediately.
See link below for specimen details, methodology, setup schedule and reference ranges.
See link below for specimen details, methodology, setup schedule and reference ranges.
Additional Information
Partial Thromboplastin Time Mixing Study
