6b23daca_rs___Mayo_Medical_Laboratories__Procedural_Steps
[0] 4 [Impact on Testing] • Inspect all supplies for defects and expiration dates • Select appropriate needle gauge • Select appropriate blood collection system [Procedural Steps] 
Assemble necessary supplies and appropriate collection tubes according to test requests
Communiqué - Preanalytic Laboratory Errors - Mayo Medical Laboratories
Procedural Steps