HemoCue Glucose 201 RT Manuel D'utilisation page 37

Symptom Explanation
Too high or low values for 1.
controls or patient samples
compared to expected values.
2.
3.
4.
5.
6a. The control used is not suitable for the
6b. The control is beyond its expiration date or has
7.
8.
9.
Measurements on patient 1.
samples are higher or lower 2.
than anticipated
3.
4.
5.
6.
The microcuvettes are damaged, beyond their
expiration date or have been improperly
stored.
The optical eye of the microcuvette is contami-
nated.
The control has not been properly mixed and/or
has not reached room temperature.
Air bubbles are present in the cuvette.
The optronic unit is contaminated.
HemoCue Glucose 201 RT system.
been stored incorrectly.
Incompletely filled microcuvette.
The measurement needs to be started
no later than 40 seconds after filling the
microcuvette.
Improper sampling technique.
Improper sampling technique
The cuvettes are beyond their expiration
date, damaged or have been improperly
stored.
The optical eye of the cuvette is contamina-
ted.
Air bubbles in the cuvette
The optronic unit is dirty.
The calibration of the analyzer has changed.
Action
1. Check the expiration date and the storage conditions of the
microcuvettes.
2. Measure the control/sample with a new cuvette.
3. Make sure that the control is properly mixed and that it has
reached room temperature. If the problem continues, contact
the manufacturer of the control.
4. Check the microcuvette for air bubbles. Remeasure the con-
trol/sample with a new microcuvette.
5. Clean the optronic unit as instructed under "Maintenance".
6a. If a quality control test is to be performed, only use quality
controls recommended by HemoCue, see relevant package
insert for more information.
6b. Check the expiration date and the storage conditions of the
control. Repeat the measurement with a new control/sam-
ple. If the problem continues, contact the manufacturer of
the control.
7. Measure the control/sample with a new microcuvette.
8. Measure the control/sample with a new microcuvette.
9. See pages 12–21.
1. See pages 12–21 in this manual.
2. Check the expiration date and the storage conditions of the
cuvettes.
3. Remeasure the sample with a new cuvette.
4. Check the cuvette for air bubbles. Remeasure the sample
with a new cuvette.
5. Clean the optronic unit as described in the maintenance sec-
tion.
6. The analyzer needs service. Contact your local distributor.
37