The HLA-B*57:01 Determination test utilizes a low resolution method. If a possible HLA-B*57:01 allele is identified, HLA B-High Resolution Typing may be required for confirmation of the allele and an additional charge is incurred.
Buccal Swabs or EDTA Whole Blood (lavender top)
Additional Sample Requirements
Indicate on specimen tube and requisition whether sample is whole blood or cord blood. Contact laboratory if sending cord blood or DNA. Send only 14 ml EDTA whole blood or 4 buccal swabs if more than one HLA typing test is ordered.
4 Buccal Swabs or 14 ml EDTA Whole Blood (lavender top)
3-4 Buccal Swabs or 5 ml EDTA Whole Blood (lavendar top)
PCR and Direct DNA Sequencing