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Prothrombin Time
Also known as : [PRT]

Blood
Test performed by: LabPLUS Haematology


Test performed by the Coagulation laboratory: ( Ext 22069 ).
For results, use ward computer or phone LabLINK: 22000 or (09) 307-8995 or 0800 522 758 .

Specimen Collection

Citrate

2.7 mL Adult Citrate Blood

or


Citrate

1.8 mL Adult Citrate Blood

or


Micro-citrate

1 mL Paediatric Micro-citrate Blood
Reference Intervals

Uncertainty of measurement: 7%

Units: seconds

Age Range Either Sex
All 12.0 - 18.0



Turnaround Time: Within 2 hours
Diagnostic Use and Interpretation

Prothrombin Time (PT) is the time in seconds required for a fibrin clot to form in a plasma sample after tissue thromboplastin and an optimal amount of calcium chloride have been added to the sample.

At LabPlus PT is used only for clinical Trials purpose.

Current reference range for Prothrombin is 12.0s-18.0s and the MNPT is 14.7s.

Reference ranges will be recalculated if the MNPT varies by more than 0.5s from the previous lot


Contact Information

For further information contact the Haematology laboratory (Ext 22067) or:

Dr Nicola Eaddy Ext 22005
Dr Peter Bradbeer Ext 22062
Dr Anna Ruskova Ext 22137
Dr Nikhil Rabade Ext 22071



Last updated at 13:09:28 11/09/2024