the On Call Extra brand is committed to the health of our customers. Carefully designed for accuracy and reliability, the On Call Extra Blood Glucose Meter Family has helped millions of patients worldwide effectively manage their glucose levels. The foundation for successfully managing diabetes starts with the meter. By choosing On Call® Extra, patients can rest assured knowing their meter is more than a means to accurate results it is the cornerstone in their diabetes management.
Tiny 0.4 µL sample size 4 seconds to result Clinically proven accuracy at a haematocrit range of 25-60% Audible fill detection reduces wasted strips
