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Echis Ratio

Blood
Test performed by: LabPLUS Coagulation


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
Citrate2.7 mL Citrate Blood

or


Citrate1.8 mL Citrate Blood


Reference Intervals
Units: Units
Age RangeEither Sex
All0.8 - 1.2[1]

[1] Uncertainty of Measurement:  14%
Turnaround Time:

Only available 0800-1700 on weekdays.


Diagnostic Use and Interpretation

Used to differentiate a raised prothrombin ratio due to vitamin K deficiency/warfarin therapy from a coagulation protein deficiency.

Interpretation

Raised PR, normal Fibrinogen,  normal Echis ratio:    Vitamin K deficiency, Single or Combined Factor VII Deficiency/Factor X Deficiency/Factor V Deficiency.

Raised PR, normal Fibrinogen, raised Echis ratio:     Factor II Deficiency acquired (liver disease) or congenital..


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