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Verifying and Documenting

After identifying and correcting a problem, verify the correction by retesting the controls. Generally, the controls are run at the beginning of a run. If the new QC values are in control, repeat patient samples from the out-of-control run as necessary. Finally, document the out-of-control event along with the corrective action.

Note: UnityWeb™ provides reports and charts that are useful for problem solving, especially for unusual problems.

 Problems may be correlated with UnityWeb™ intralaboratory reports and charts, Unity Interlaboratory Reports, and InstantQC reports and charts.

See Also

Good Laboratory Habits

Determining the Type of Error

Relating the Error to Possible Causes

Considering Common Factors on Multitest Systems

Relating the Problem to Recent Changes