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Tubes, additives
Venipuncture tubes and additives
| Question | Answer |
|---|---|
| Yellow Top Tube | Sterile procedures Microbiology/cultures |
| Light Blue Top Tube | Coagulation studies |
| Red Top Tube | Blood will clot=serum |
| SST | Gel substance in tube |
| Dark Green Top | Sodium heparin |
| Light Green Top | Lithium heparin |
| Purple Top Tube (Lavender) | Hematology studies |
| Dark Blue Top | Toxicology, measures metals |
| Gray Top Tube | Potassium oxalate |
| Gold Top Tube | Hemogard SST |