General Laboratory Practice Solo 2 Lecture 1 Notes

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General Laboratory Practice

Last updated 1:17 AM on 7/31/26
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6 Terms

1
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Variable Phases

There are three phases to the testing process

  1. Pre-Analytical

  2. Analytical

  3. Post-Analytical

2
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Pre-Analytical

Variables that may affect results before the specimen is analyzed

3
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Analytical

Variables that may affect results while the specimen is analyzed

4
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Post-Analytical

Variables that may affect results after the specimen is analyzed

5
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Pre-Analytical Phase

Part of the testing process that encompasses:

  • Test requesting, patient preparation, sampling, sample transport and delivery to the lab, and sample handling before analysis

Most vulnerable part of total testing process; 2/3 of all lab error

Many steps performed outside of the lab and lab supervision

  • Many individuals are involved in various steps; Different levels of education and professional background

6
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ISO 15189

Medical laboratory responsible for management and quality of pre-examination phase

Right sample from right person at right time

Correct results provided in a timely manner