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On Call Extra Control Solution

On Call Extra Control Solution


On Call Extra Control Solution 3 bottles (2 mL/bottle)

Control Solution: Verifies the proper operation of the blood glucose monitoring system by checking the test strips and meter against a pre-calibrated control solution. Control Solution 1 is all you need most of the time. Control Solution 0 and Control Solution 2 are also available if you want to do a level 0 or level 2 test. The three levels of control solution, CTRL 0, CTRL 1 and CTRL 2 are available in the On Call® Extra Glucose Control Solution package which is sold separately.


On Call® Extra Glucose Control Solution

The On Call® Extra Glucose Control Solution contains a known concentration of glucose. It is used to confirm that your On Call® Extra Blood Glucose Meter and test strips are working together properly and that you are performing the test correctly. It is important to run a quality control test regularly to make sure you are getting correct results.
You should run a quality control test:

  • Before you first use your meter, to familiarize yourself with its operation.
  • Before using a new box of test strips.
  • When you suspect that the meter or test strips are not working properly.
  • When you suspect that your test results are inaccurate, or if they are inconsistent with how you feel.
  • When you suspect your meter is damaged.
  • After cleaning your meter.
  • At least once a week

Each bottle of control solution can be used for 6 months after you first open it. The control solution will expire 6 months after the bottle is opened for the first time. Record this opened  expiration date on the bottle label.

See page 17 of the manual



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