Sample Preparation
Samples for any coagulation tests must be filled to the black fill line indicated on the sample tube. Any sample filled above or below this level will be rejected and a repeat sample will be required
General Information
Samples that meet the following criteria will not be processed:
- Haemolysed, clotted, underfilled or overfilled samples.
- Samples >12 hours old from the time of collection.
- Samples received from other hospital laboratories that have been frozen and thawed.
- Samples which fail the minimum data set.
Assay limitations:
- FVIII concentrate replacement products present in patient samples may cause an elevation in emicizumab concentrations using the modified one-stage assay.
Reference Range
Therapeutic range: 40-60µg/ml