MediSense PCx User Manual download pdf (Page 126)

Troubleshooting: Patient Test Results

This section describes conditions that can cause out-of-range patient

test results. Refer to the Precision PCx or Precision PCx Plus Test Strip

instructions for use for test strip specification information.

Reasons Glucose Results May Be Higher than Expected:

• Hematocrit is lower than the acceptable limit for the test strips, as

indicated on test strip instructions for use.

• Serum or plasma samples were used instead of whole blood.

• Room temperature >104°F (40°C).

• Relative humidity >90%.

• Venous blood tested in capillary or arterial mode.

Reasons Glucose Results May Be Lower than Expected:

• Hematocrit is higher than the acceptable limit for the test strips, as

indicated on test strip instructions for use.

• Room temperature < 59°F (15°C).

• Capillary or arterial blood tested in venous mode.

• Relative humidity < 10%.

• Hyperglycemic-hyperosmolar state (with or without ketosis).

• Severe dehydration, hypotension or shock.

• Water or alcohol remaining on the puncture site.

• Venous or arterial whole blood sample not tested within 30 minutes

after collection.

Troubleshooting: Out-of-Range Control Test Results

Repeat the test for that control solution to make sure that the operator

meets the conditions in this checklist:

• No air bubbles are in the control bottle’s nozzle.

• Calibrate the monitor using the barcode for the test strip used.

• Enter the correct 5-digit lot number for the control solutions.

• Check storage temperatures: Solutions and test strips must be stored

between 39°F and 86°F (4°C and 30°C).

• Check that the temperature and humidity conditions in the room

where the tests are being performed are within the acceptable

operating range. Refer to the Precision PCx or Precision PCx Plus

Test Strip instructions for use.

• Check that the bottles have not been open for more than 90 days.

Questions? Refer to Page 10-13 For Customer Care Information.

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MediSense PCx User Manual Page 126