The list below includes QC tools that may be used (depending on the method system) to monitor risk in the examination phase of the testing process:
- Intralaboratory QC
- External quality assessment
- Peer comparison
- Proficiency testing program
- Built-in QC
- Measuring system function checks
- Electronic system checks
- Calibration
- Delta checks (can also be used to monitor preexamination patient/specimen identification errors)
- Correlation of multiple analytes in the same sample