Blood Test Color Codes: A Comprehensive Guide to Vacutainer Tubes

| Color | Test |

|---|--- |

| Red | No Additive |

| Yellow | Clot Activator |

| Green | Sodium Heparin |

| Black | Sodium Citrate |

| Yellow | ACD Solution - Type A |

| Grey | Sodium Fluoride |

| Dark Blue | EDTA |

| Royal Blue | EDTA+ |

| Royal Blue with red ring| BD P100 EDTA Blood collection tube |

| Royal Blue with purple ring| BD PST II EDTA-Na2 Blood Collection Tube |

| Lavender | EDTA, Gel Separator. |

| Pink | EDTA+Gel |