To correct platelet satellitism, redraw blood in which tube?

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Multiple Choice

To correct platelet satellitism, redraw blood in which tube?

Platelet satellitism is an in vitro artifact caused by EDTA in lavender tubes, where platelets adhere around neutrophils and falsely lower the platelet count. To correct this, redraw the blood into a tube with citrate anticoagulant (light blue top). Citrate prevents the EDTA‑related interaction, giving an accurate platelet count. Red tubes have no anticoagulant and won’t prevent clotting; green tubes use heparin and don’t address this EDTA artifact. The citrate tube is the appropriate choice to resolve the issue.

Platelet satellitism is an in vitro artifact caused by EDTA in lavender tubes, where platelets adhere around neutrophils and falsely lower the platelet count. To correct this, redraw the blood into a tube with citrate anticoagulant (light blue top). Citrate prevents the EDTA‑related interaction, giving an accurate platelet count. Red tubes have no anticoagulant and won’t prevent clotting; green tubes use heparin and don’t address this EDTA artifact. The citrate tube is the appropriate choice to resolve the issue.

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