Vacutainer Tubes

Vacutainer tubes are designed to safely collect and preserve blood samples for laboratory testing. Each tube color indicates a specific additive or purpose, ensuring accurate results for different types of tests.

1. Red: Serum testing (no additive)
2. Yellow: Serum separator
3. Light Blue: Coagulation tests
4. Green: Heparin for plasma
5. Purple: EDTA for hematology
6. Grey: Glucose testing
7. Dark Blue: Trace element testing
8. Black: Erythrocyte sedimentation rate (ESR)

These tubes are essential in hospitals, clinics, and diagnostic labs for accurate and safe blood sample handling.