PART 4 lecture

• Clerical Error- This is considered ass the most common error that occur in laboratory
• It is estimated that 46% to 68% of all laboratory errors occur prior to analysis
• Specimen handling- the most critical part of the laboratory procedure.
• 8 to 10 times - How many inversions are needed with EDTA anticoagulant
• Body temperature specimen - This should be collected in a pre-warmed tube.
• 37 Celsius - Body temperature specimen should be transported at or near normal body temp of ____
• Chilled specimens - This should be immersed in a slurry of crushed ice and water
• Chilled Specimens - This should be tested immediately or refrigerated.
• Light-sensitive specimens - This is wrapped in aluminum foil or uses a light-blocking amber-colored container
• 45 minutes - Routine blood specimens should arrive at lab within _____
• Aliquot - a portion of specimen used for testing
• Stopper removal - some testing machines sample specimen directly though a stopper
• Stopper may be removed by Removal devices or robotics
• Specimen processing - Central Processing area in Large labs
• Each aliquot tube should be covered or capped as soon as it is filled
• Transporting specimens should be in plastic bags with a biohazard logo, liquid-tight closure, and a slip pocket for paper work
• Aliquot preparation - tests are performed on different instruments or in different areas
• Aliquot preparation - prepared by transferring a portion of the specimen into one or more tubes labeled with the same ID info
• Aliquot tube - This should be covered or capped as soon as it is filled
• Gauze or tissue - covers the stopper
• Amber-colored container - This is the color of the container for light-sensitive specimens
• Specimen handling and processing - This is considered as the pre analytical phase
• In Centrifuging serum specimens - Complete clotting takes 30 to 60 minutes at room temperature
• Additive tubes require 3-10 gentle Inversions
• Heat blocks - used to maintain temperature during transport