draw tube holds the eyepiece or the ocular
red tube
What color tube for blood draw for metal
For a HgA1c you would need a lavender top tube.
A green-colored tube is typically used to draw blood for lipase testing.
A lavender or purple-topped tube is typically used for a magnesium blood draw.
No, in a microscope, the body tube is the upper part that holds the eyepiece and connects it to the objective lenses, while the draw tube is the part that allows for adjusting the distance between the eyepiece and the objective lenses to focus the specimen.
red topped tube
A lavender top tube is typically used to draw an ESR (erythrocyte sedimentation rate) test.
A lavender or purple tube is typically used for TSH (Thyroid Stimulating Hormone) blood draw.
to hold the eyepiece
There is no order of draw. A comprehensive metabolic panel is just one tube, an SST or serum separator tube.
A lavender or purple top tube is typically used to draw blood for Hep C testing.