A vitamin D test is used to: 1  Determine if bone weakness, bone malformation, or abnormal metabolism of calcium (reflected by abnormal calcium, phosphorus, PTH) is occurring as a result of a deficiency or excess of vitamin D.
Report Abuse. I was actually just looking at the phlebotomist course not that long ago and it doesn't take that long at all to complete. Pretty much it's two semesters long. Each semester is roughly 3 months each. Sep-Dec and Jan-May. In reality, phlebotomists make a lower income roughly $30,000 a year. was actually just looking at the phlebotomist course not that long ago and it doesn't take that long at all to complete. Pretty much it's two semesters long. Each semester is roughly 3 months each. Sep-Dec and Jan-May.
1 Universal Class offers continuing education credits for phlebotomy for $75, including the certificate of completion. 2  Students may want or need to purchase phlebotomy training kits. 3  These kits typically cost from $100-$500. The American Society for Phlebotomy Technicians offers a training course for $800, but participants must also purchase membership to the association for $35 and a textbook for $40.