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ANTI Xa ASSAY (FOR MONITORING LOW MOLECULAR WEIGHT HEPARIN)

Synonym(s):

Lab Section Category

Description

Indications

Specimen Required

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

Storage and Transport

Method

​Chromogenic

Test Results

Reference Interval / Value

​Therapeutic range for

Enoxaparin (once daily dosing):   1.0 - 2.0 IU/ml

Enoxaparin (twice daily dosing):   0.5 - 1.0 IU/ml

Tinzaparin:                            0.85 – 1.0 IU/ml

Turnaround Time

​3 – 4 days

Day(s) Test Set up

​Monday – Saturday

Remarks

​Please indicate the type of heparin given.

Change History Notes

Others

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