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  • MDLB 1321
    ORDER OF DRAW

  • Culture
    Culture Bottle
  • SPS
    SPS
  • Lt. Blue
    Light Blue
  • Red
    PLAIN
  • SST
    SST
  • PST
    PST
  • Green
    Heparin
  • Lavender
    EDTA
  • Grey
    Grey

Red

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PLAIN SERUM TUBE

SPECIMEN

CLOT FOR 30 MINUTES & CENTRIFUGE FOR SERUM

DEPARTMENT

CHEMISTRY

COMMON TESTS

DRUG TESTING & MOST ROUTINE CHEMISTRY TESTS

REASON FOR ORDER

After coagulation tubes so it does not affect coagulation test results.

HOW IT WORKS

Silica (glass particles) can activate clotting.
Speeds up clotting by activating platelets.

Mixing

MIXING

Requires mixing 5–10 times if clot activator in tubes.

SPECIAL CONSIDERATIONS

Serum must be removed from cells after centrifugation to prevent the cells from metabolizing substances such as glucose in the serum.
Glass tubes may not contain silica.
Plastic tubes contain silica.

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