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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

Green

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HEPARIN TUBE

SPECIMEN

CENTRIFUGE FOR PLASMA
SOME WHOLE BLOOD TESTS

DEPARTMENT

CHEMISTRY

COMMON TESTS

STAT CHEMISTRY
MOST ROUTINE CHEMISTRY TESTS
SOME SPECIFIC TESTS REQUIRE PLASMA AND CANNOT USE A GEL SEPARATOR.

REASON FOR ORDER

Can affect serum specimens, so collect after serum.
Affects coagulation tests.

HOW IT WORKS

Can be Sodium Heparin or Lithium Heparin.
Inhibits thrombin.

Mixing

MIXING

Requires immediate mixing.
5–10 gentle inversions.

SPECIAL CONSIDERATIONS

Used for STAT tests.
No clotting time required.
Plasma must be removed from cells after centrifugation to prevent the cells from metabolizing substances such as glucose.

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