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Compatibility Testing Workflow

This Medical Laboratory Science lesson in Blood Bank supports laboratory science learning and laboratory interpretation for medical laboratory students and professionals.

Integrate specimen receipt, ABO/Rh typing, antibody screening, crossmatch method selection, compatibility labeling, and final issue into a single sequential transfusion-service pathway, and explain why each step depends on the integrity of the step before it.

Intermediate28 min read15 sectionsBlood Bank
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Learning Objectives

Getting started

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Learning Objectives

Learning Objectives

Section: Learning Objectives

Each objective below describes a transfusion-service laboratory competency, from sample receipt through compatibility testing to documented blood issue.

  • Trace the full compatibility-testing pathway in order, specimen receipt/identity verification, ABO/Rh typing, antibody screen, crossmatch method selection, crossmatch execution, compatibility labeling, and issue
  • Select the appropriate crossmatch method (electronic, immediate-spin, or AHG) from the antibody screen result and antibody history at the correct point in the pathway
  • Explain why an error at an early step (specimen identity, typing) invalidates every downstream step, even if those downstream steps are performed correctly

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