A lavender or purple-topped tube is typically used for a magnesium blood draw.
A lavender or purple tube is typically used for TSH (Thyroid Stimulating Hormone) blood draw.
A lavender-top tube, also known as an EDTA tube, is commonly used to draw blood for cystic fibrosis testing. This tube is used for collecting whole blood samples for analysis, such as genetic testing for cystic fibrosis.
A lavender or light blue tube is typically used for an amylase blood draw as it contains an anticoagulant (lavender tube) or no anticoagulant (light blue tube) needed for the test.
A lavender-top tube is typically used to draw blood for clozapine levels. It is important to follow the specific laboratory's instructions for the proper collection tube.
A lavender-topped (EDTA) tube is commonly used to draw blood for a complete blood count (CBC) without a differential count.
A lavender/purple top tube is typically used to draw blood for a hematocrit test. This tube contains the anticoagulant EDTA, which helps prevent the blood from clotting during testing.
For a HgA1c you would need a lavender top tube.
A lavender or purple top tube is typically used to draw blood for Hep C testing.
A lavender or purple top tube is typically used to draw blood for a follicle-stimulating hormone (FSH) level.
A lavender/purple-top tube containing EDTA anticoagulant is typically used to draw blood for a reticulocyte count. It is important to follow the specific guidelines and instructions provided by the laboratory or healthcare provider.
2 ml whole blood in red top tube or three 0.6 ml microtubes