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Quality standards and samples in genetic testing
1School of Pathology and Laboratory Medicine, University of Western Australia, Perth, Western Australia, Australia.
Journal of Clinical Pathology
|January 20, 2012
Summary
Accurate medical lab results are vital. Preanalytical errors in genetic testing, particularly during sample collection, pose significant risks due to limited verification, impacting patient care and legal outcomes.
Area of Science:
- Clinical Diagnostics
- Laboratory Medicine
- Genetics
Background:
- Accurate medical laboratory results are paramount for patient safety and effective healthcare.
- Quality assurance programs have significantly reduced analytical errors in laboratories.
Observation:
- Transfusion medicine data shows most remaining errors occur in preanalytical phases, especially test ordering and sample collection.
- Genetic testing results often lack immediate verification, similar to pretransfusion testing.
Findings:
- A substantial proportion of genetic testing outcomes cannot be independently verified.
- Preanalytical errors in genetic testing, particularly sample collection, carry significant risks due to limited confirmatory data.
Implications:
- Incorrect genetic test results can lead to irreversible interventions, inaccurate disease risk assessment, and legal consequences.
- The increasing reliance on genetic findings for critical decisions necessitates a review of current standards to minimize preanalytical risks.
