|Alternate:||1:1 Mix, Protime Mix|
|Includes:||PT, 1:1 PT Mix|
|Available:||Daily, 24 hours|
|Turnaround:||Routine: 3 hours; STAT 30 minutes|
|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.|
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