Partial collection tubes

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Partial collection tubes

  • Filling a light blue-topped tube to its recommended volume is especially critical; if it is filled incompletely, coagulation results will be incorrectly reported as abnormal.
  • If a short draw is anticipated, a "partial collection" tube which contains less anticoagulant and requires less blood may be used.
  • The light blue topped collection tube shown on the left requires reduced blood volume, and is filled only to the line.