Lab Test : PT Mix

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Alternate:1:1 Mix, Protime Mix
Includes:PT, 1:1 PT Mix
Department:Hematology
Phone:(937) 641-5100
SQ Code:MPT
Available:Daily, 24 hours
Turnaround:Routine: 3 hours; STAT 30 minutes
Specimen:Blood
Volume:4.5 mL
Container:Blue top tube (3.2% sodium citrate)
Temperature:Transport to laboratory within 30 minutes.
Rejection:Tube improperly filled, specimen clotted, specimen hemoloyzed, specimen not received within 30 minutes of collection.
Normal:6 months to adult. 10.5-14.5 seconds. Ranges not established for ages under 6 months.
Uses:A 1:1 Mix is only a screening procedure for factor deficiency. A PT that is abnormal and corrects into the normal range with the PT Mix is suggestive of a factor deficiency. A PT Mix cannot be performed on a PT that is in the normal range.
Limitations:Many commonly administed drugs may affect the results obtained in PT testing. See same limitations a noted for PT testing.
Method:Photo-optical endpoint
 

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