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Sumyea Kabir: Pre-Analytical Quality in Phlebotomy – Preventing In Vitro Hemolysis
Sumyea Kabir/LinkedIn
Oct 20, 2026, 03:13

Sumyea Kabir: Pre-Analytical Quality in Phlebotomy – Preventing In Vitro Hemolysis

Sumyea Kabir, Assistant Professor at Zainul haque Sikder Women’s Medical college and Hospital, shared a post on LinkedIn:

“Red Flags in a Red Cell!

When blood collection goes wrong, even the most sophisticated analyzer cannot undo the damage.

Blood collected. Analyzer ready. Clinician waiting.

But wait… Have the red cells survived the journey?

Welcome to In Vitro Hemolysis-a pre-analytical challenge that can turn a routine blood sample into a laboratory headache!

Who’s the Culprit?

  • The Overenthusiastic Aspirator: Excessive syringe suction may contribute to cell damage. Blood collection is not a race!
  • The Difficult Venipuncture: Repeated probing and traumatic attempts can compromise specimen quality. A vein is not a target-practice zone!
  • The Forceful Transfer: Never forcefully inject blood into collection tubes. Gentle, recommended transfer procedures matter!
  • The Equipment Mismatch: Choose an appropriate needle and collection device for the procedure.
  • The Rough Journey: Improper handling, transport, and processing can also contribute to hemolysis.

How Do We Protect Our Red Cells?

  • Use appropriate collection equipment.
  • Aspirate gently and steadily.
  • Minimize traumatic venipuncture.
  • Follow recommended transfer procedures.
  • Maintain appropriate specimen handling and transport.
  • Investigate recurrent hemolysis systematically-don’t blame just one step!

The Science Behind the Drama

Hemolysis releases intracellular components, including potassium, LDH, and hemoglobin, into plasma or serum.

The resulting interference may compromise laboratory results and clinical interpretation.

Hemolysis is multifactorial. Assess specimen suitability according to the analyte, analytical method, and laboratory policy-not every hemolyzed specimen requires automatic rejection.

The Take-Home Message

Better collection – Better specimen integrity – More reliable results – Better clinical decisions.

Keep the red cells intact.

Let the analyzer handle the data-not the destruction of the sample!

Quality doesn’t begin at the analyzer.

It begins at the patient’s bedside.

References

Respect the specimen.

Protect the result.

Put patient safety first.”

Sumyea Kabir

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