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Color-Coded Tops
Collection tube colors and tests associated
| Term | Definition |
|---|---|
| Yellow (sterile) additive | sodium polyanetholesulfonate (SPS) to inhibit complement and phagocytosis |
| Yellow (sterile) specimen | whole blood |
| Yellow (sterile) test | use this tube to recover microorganisms causing blood infection |
| Light Blue test | coagulation tests and prothrombin time (PT) |
| Light Blue additive | Sodium Citrate (anticoagulant) |
| Light Blue specimen | plasma |
| Red (plastic or glass) test | chemistry, serology, blood bank |
| Red (plastic or glass) additive | clot activators in plastic, none in glass |
| Red (plastic or glass) specimen | serum |
| Lavender test | complete blood count CBC, sedimentation rate, routine immunohemtaology |
| Lavender additive | EDTA (anticoagulant) |
| Lavender specimen | whole blood |
| White test | viral loads |
| White additive | polymer gel with EDTA |
| White specimen | plasma |
| Gold BD Hemogard Closure or red-gray test | most chemistry tests |
| Gold BD Hemogard Closure or red-gray additive | clot activator/polymer gel |
| Gold BD Hemogard Closure or red-gray specimen | serum |
| Grey test | lactic acid measurement, glucose tolerance test, fasting blood sugar (FBS), blood alcohol levels |
| Grey additive | antiglycolytic afent (iodacetate or sodium flouride) that preserves gluclose, perhpas the anticoagulant potassium oxalate or heparin |
| Grey specimen | plasma |
| Black test | deimentation rate |
| Black additive | buffered sodium citrate |
| Black specimen | whole blood |
| Green test | STAT and routine chemistry tests, ammonia, electrolytles, arterial blood gases (ABGs) |
| Green additive | sodium heparin, lithium heparin, or ammonium heparin |
| Green specimen | plasma |
| Light green or green-gray test | STAT and routine chemistry tests |
| Light green or green-gray additive | heparin/polymer gel |
| Light green or green-gray specimen | plasma |
| Orange BD Hemogard Closure or yellow-gray test | STAT chemistry |
| Orange BD Hemogard Closure or yellow-gray additive | thrombin |
| Orange BD Hemogard Closure or yellow-gray specimen | serum |
| Royal Blue test | toxicology, trace metals. nutritional analysis |
| Royal Blue additive | heparin, EDTA, or none |
| Royal Blue specimen | plasma or serum |
| Tan test | lead analysis |
| Tan additive | heparin |
| Tan specimen | plasma |
| Yellow (nonsterile) test | human leukocyte antigen (HLA) studies |
| Yellow (nonsterile) additive | acid citrate and dextrose |
| Yellow (nonsterile) specimen | whole blood |
| Pink test | blood bank compatibility test |
| Pink additive | K2, EDTA |
| Pink specimen | whole blood or plasma |