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Tops and additives
| Question | Answer |
|---|---|
| Red/Gray Tiger top (SST) or Gold | Clot Activator |
| Black top | Sodium Citrate 4:1 |
| Red Top | No Additive |
| Light Blue | Sodium Citrate 9:1 |
| Lavender Top | EDTA – Ethylenediamine Tetra-acetic Acid |
| Green Top | Heparins- sodium, lithium, ammonium ion |
| Yellow/Gray top or Orange | Clot activator thrombin |
| Gray top | Sodium Fluoride, Lithium Iodoacetate, Potassium Oxalate |
| Dark Blue Top | Plain or w/ sodium heparin or disodium EDTA |
| Brown Top | Sodium Heparin |
| Yellow Top | SPS- Sodium polyanetholesulfonate, ACD- Acid citrate dextrose |