Final answer:
The check to ensure that the lead interpreting radiologist is aware of all quality control tests being performed at their required frequency is the facility QC review.
Step-by-step explanation:
The check to ensure that the lead interpreting radiologist is aware of all quality control tests being performed at their required frequency is the facility QC review. This process involves reviewing all quality control tests conducted in the facility to ensure they are being performed as required. It helps the radiologist stay updated on the quality control measures being taken.