Published: 15 March, 2021 TGA Ref: RC-2021-RN-00677-1 Medtronic Australasia Pty Ltd recently became aware that a specific medication, hydroxyurea, falsely increases glucose readings on Medtronic CGM systems. This may result in failure to treat hypoglycaemia from missed low sensor glucose readings or by causing other errors in diabetes management decisions. Medtronic Australasia Pty Ltd has provided additional information about this Defect Correction notice here.