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APTT Ratio for UFH Monitoring

Sample Reqs

Whole blood (BD Light Blue Citrate), 2.7mL or 4.5mL
External Requests: Frozen single spun Citrated plasma 500µL x 1 aliquot

Turnaround

6 hours

Urgent turnaround

2 hours

Special instructions

No special instructions.

Whole blood stability

2 hours from Venepuncture at Room Temperature

Reference range

Indicated on the Report