@dr.shaz74: Ever noticed the rainbow of colored caps in a lab? 💉 Each color isn’t just for looks—it tells the lab exactly what test to run and how to handle your blood sample. 🔴 Red – No additive. Perfect for serum tests like chemistry, serology, and blood bank work. 🟡 Gold/Yellow (SST) – Clot activator + gel separator for thyroid, lipid, and routine chemistry panels. 🔵 Light Blue – Sodium citrate for coagulation studies like PT/INR and D-dimer. 💜 Lavender/Purple – EDTA to preserve cells for CBC, HbA1c, and ESR. 💚 Green – Heparin for plasma chemistry, ammonia levels, and cardiac markers. ⚪ Gray – Potassium oxalate + fluoride to stop sugar breakdown for glucose and lactate testing. …and more, from Royal Blue for heavy metals to Yellow (sterile) for blood cultures. ✅ Why it matters: Correct tube = accurate results. ✅ Order of draw: Always important to avoid cross-contamination. Next time you see a phlebotomist grab those colorful tubes, you’ll know the science behind the shades! 💡 ✨ Save & Share to help fellow med students, lab techs, and curious minds! #LabColorCode #PhlebotomyLife #MedicalLab #ScienceInColor #DiagnosticsDoneRight

Dr shaz

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Wednesday 24 September 2025 13:03:23 GMT