Main role of a Diagnostic laboratory is to measure the substances in body fluids or tissues for the purpose of
- Diagnosis of disease
- Effect of Treatment
- Prevention and Early Detection of Disease
Unreliable performance can result in misdiagnosis, delayed treatment and increased costs due to retesting etc. It is therefore of great importance to ensure all results provided are both accurate and reliable.
Quality control refers to the process of detecting analytical errors within the lab to ensure both the reliability and accuracy of test results in order to provide the best possible patient care.
There are two types of Quality Controls:
- Internal Quality Control: includes personnel, instrumentation, reagents, document control
- External Quality Control: important to ensure the laboratory is performing to external standards