🍁 Correct Order of Draw for Blood Collection Tubes 🍁 👉Use the cap color to help you remember: “ Blood Culture --> Blue --> Red --> Green --> Purple --> Gray ” Following this order helps maintain specimen integrity and prevents cross-contamination of anticoagulants.☺️ 👉If blood collection tubes are not filled in the correct order and if there is contamination with anticoagulants, certain lab results may be affected as follows: 🍁Filling the heparin tube (green) before the citrate tube (blue)