LeadCare
®
II User's Guide 5-4
User Technique
• Do NOT touch the black bars on the sensor. This could damage the sensor.
• Do NOT touch the ends of the capillary tubes or the plungers. This could cause
contamination.
• Make sure to thoroughly mix patient blood with the treatment reagent. The mixture
should turn brown.
• Do NOT leave the treatment reagent tube uncapped other than to add the whole
blood sample or to remove the sample for testing.
• Do NOT touch the sensor while running a test.
Control Test Results Below the Target Range: Possible Causes
Possible causes of low control test results include:
• Control lot number does not match the sensor lot and calibration code.
• Less than 50 µL of control material was transferred to treatment reagent
• The test sample is colder than detected by the analyzer.
• The analyzer is not calibrated properly.
• The sensor is not inserted properly.
See detailed precautions below:
Control Sample Preparation
• Use the capillary tubes and plungers provided with the test kit to transfer 50 µL of
control into the treatment reagent tube.
• Always mix the control material with treatment reagent. Control material delivered
directly to the sensor will not yield an accurate result.
Equipment Setup, Calibration and Testing Materials
• Make sure the controls were properly stored: Room temperature storage is
considered 15 - 27ºC (59 - 80ºF).
• Check the expiration date on the control vial to verify the controls have not expired.
• Check the expiration on the test kit box to make sure the test kit materials have not
expired.
The controls are only intended for use with the test kit in which
they come. When the other reagents included in the test kit are
used up, discard the controls.
• Make sure the analyzer is calibrated properly. Use the calibration button supplied
with the test kit in use. When processing the sample, check to make sure the code
on the analyzer screen matches the code of the calibration button for the test kit.
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