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## Order of Draw | Order Of Draw | Cap Color | Use | Additive | Special Directions | |---|---|---|---|---| | First | Special Clear (Discard tube) | Blood Culture Fill before filling blue-top tube when using butterfly set | Culture Media | Must draw first; Use sterile technique Discard tube| | First...

## Order of Draw | Order Of Draw | Cap Color | Use | Additive | Special Directions | |---|---|---|---|---| | First | Special Clear (Discard tube) | Blood Culture Fill before filling blue-top tube when using butterfly set | Culture Media | Must draw first; Use sterile technique Discard tube| | First | Light Blue | Coagulation Studies | Sodium Citrate | Invert 3-4 times| | First | Red | Chemistry | No anticoagulant (glass), Silicon coating (plastic) | Do not invert (glass) Invert 5 times (plastic) | | First | Red/Gray | Chemistry | Clot activator, gel separator | Invert 5 times | | First | Gold (SST) | Chemistry | Gel separator, clot activator | Invert 5 times | | First | Green | Chemistry | Heparin | Invert 8 times | | First | Lavender | Hematology, hemoglobin A1c | EDTA | Invert 8 times | | Last | Gray | Blood alcohol | Potassium oxalate, Sodium fluoride | Do not cleanse site with alcohol, Invert 8-10 times | | Last | Gray | Glucose | Potassium oxalate, Sodium fluoride | Invert 8-10 times |