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.
If you have no field training, but have completed a phlebotomy training course and have obtained a certified phlebotomist license. â¦ how long does it take to be a phlebotomist, yhs-fullyhosted_003, how long is phlebotomy training, â¦. Requirements. Before you can take the American Red Cross phlebotomy certification course, you must meet several requirements. You must be a high school graduate and be able to pass a reading comprehension test.