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ACTIVATED PARTIAL THROMBOPLASTIN TIME (APTT)

Synonym(s):

​APTT, PTT

Lab Section Category

Haematology
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Specimen Required

​3 mL blood containing 0.3 mL of 3.2% sodium citrate

Method

​Photo-optical Clot Detection

Reference Interval / Value

24.4 – 35.2 seconds

Turnaround Time

​3 – 4 hours

Day(s) Test Set up

​Daily

Change History Notes

  • 14 May 2014 6:35 AM

    Referance Interval has been last updated on 14 May 2014.

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Last updated on 14 Sep 2022