Delta check, also known as Delta Delta check or Delta difference check, is a quality…
Month: August 2023
What is the advantages of comparison of results for patient samples by an alternative procedure ?
Comparing results for patient samples on a specified schedule to results obtained from an alternative…
How to calculate Testing error in a medical laboratory?
Let’s consider an example of calculating testing error for a blood glucose test in a…
How to evaluate testing or test results error in a medical laboratory?
Calculating testing or test results error in a medical laboratory involves assessing the accuracy and…
How to estimate and calculate a True value ?
Let’s consider an example of how the true value of a test parameter can be…
Why ISO 15189 2022 restricting Lot to Lot QC Change and reagent/ calibrator change in same day?
In a medical laboratory, internal quality control (IQC) is the process of monitoring and ensuring…
Why ISO 15189 2022 is talking the Laboratory should use IQC material that is fit for its intended purpose?
Imagine a medical laboratory that performs blood glucose testing using a glucose analyser. The laboratory’s…
Why new ISO 15189 2022 standard is asking “trend analysis of patient results”, in the absence IQC materials?
If Internal Quality Control (IQC) material is not available, laboratories can still perform trend analysis…
What are the pipetting errors that happened in the medical testing laboratory?
In a medical testing laboratory, pipetting errors can occur during the process of transferring liquids…
How to estimate measurement uncertainty in a medical laboratory?
Consider an example of estimating the measurement uncertainty for a blood glucose test performed in…