Preanalytic Variables in Special Coagulation Testing
Clinical Implications
Clinical Laboratory Standards Institute
October 2008
Based on CLS guidelines, clotted specimens received for coagulation testing should be rejected.
Clinical Laboratory Standards Institute |
Jump to section:
- Introduction
- Variables Affecting Test Results
- Preanalytic Variables Affecting Coagulation Testing
- Special Coagulation Test Algorithms
- Case History
- Preprocedure Coagulation Tests
- PT and aPTT Diagram
- Normal Hematocrit and High Hematocrit
- Preprocedure Coagulation Tests
- Case Conclusion
- Case Example
- Repeat Testing With Fresh Sample
- Intrinsic and Extrinsic Diagram
- Clotted Specimen: Definition of Clotted Specimen
- Significance of Clotted Specimen
- Significance of Clotted Specimen
- Preanalytic Factors Affecting Testing Results: Clotted Specimen
- Scope of the Problem
- Event Capture Tool
- Clotted Specimens as a Percentage of Test Volume
- Clotted Specimens 2007
- Clinical Laboratory Standards Institute
- Rejection of Specimen: Impact
- Causes of Clotted Specimen
- Steps Towards Reducing Clotted Specimens
- Conclusion
- Questions?
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