What is recommended after preventative maintenance by field service personnel?

After preventative maintenance is performed by field service personnel, it is essential to verify the quality control (QC) results. This step is crucial to ensure that the equipment is functioning correctly and that any maintenance carried out did not inadvertently affect the accuracy or reliability of results.

Verifying QC results helps confirm that the equipment is operating within acceptable limits, thereby ensuring patient safety and the integrity of laboratory results. It provides a check to see that the maintenance activities were successful and that the equipment has returned to optimal performance levels. This involves running QC tests that can indicate if the analyzer or instrument is behaving correctly after the maintenance.

The other options do not align with standard post-maintenance practices. Immediate equipment replacement is typically reserved for situations where equipment is beyond repair or no longer meets standards, which is not a routine follow-up after maintenance. Rescheduling maintenance may be needed, but it is not directly related to the actions taken immediately after preventative maintenance. Modification of testing procedures is unnecessary unless there are changes in the equipment that warrant such a change, which should not be the case if maintenance was successful and the equipment is functioning properly.