Because this testing often requires the use of arterial specimens rather than venous specimens,the phlebotomist would require additional training to collect and test these specimens:

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Blood gas analysis typically requires arterial specimens to accurately assess the oxygen, carbon dioxide, and pH levels in the blood. This procedure is more complex and invasive than collecting venous specimens, thus requiring additional training for phlebotomists.

Because This Testing Often Requires the Use of Arterial Specimens