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Understanding Out‑of‑Range Control Test Results
The label on the test strip container shows the acceptable ranges for the Level 1 and Level 2 control
solutions. Control results must be within the designated range on the test strip container label, or as dened
by the facility, before being considered acceptable.
If the control result is not acceptable, review this list for a possible cause.
Were the test strips or control solutions expired?•
Was the tip of the control solution bottle wiped with a lint‑free wipe before and after use?•
Were the test strip container and control solution bottle always closed tightly?•
Was the test strip used immediately after removing it from the container?•
Were the test strips and control solutions stored properly?•
Were the testing steps followed?•
Was the correct control solution level selected when the control test was performed?•
Did the code number on the meter display match the code number on the test strip container?•
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