HemoCue Albumin 201 Manuel D'utilisation page 36

Symptom
Too high or too low values
for controls or patient sam-
ples according to expected
values
Explanation
1. The cuvettes are damaged, beyond their
expiry date or have been improperly
stored.
2. The optical eye of the cuvette is
contaminated.
3. The control has not been properly
mixed and/or has not reached room
temperature.
4. Air bubbles are present in the cuvette.
5. The optronic unit is contaminated.
6a. The control used is not suitable for the
HemoCue Albumin 201 System.
6b. The control is beyond its expiration date
or has been stored incorrectly.
7. Incompletely filled cuvette.
8. The measurement needs to be started
no later than 30 seconds after filling the
microcuvette.
9. Use of frozen specimen/control
Action
1. Check the expiration date and the storage
conditions of the cuvettes.
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.
4. Check the cuvette for air bubbles. Remeasure the
control/sample with a new cuvette.
5. Clean the optronic unit as instructed under
"Maintenance"
6a. If a quality control test is to be performed, only
use 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/sample.
7. Measure the control/sample with a new cuvette. It
is important that the cuvette "snaps" properly into
the cuvette holder.
8. Measure the control/sample with a new cuvette.
9. The system is intended to be used with fresh
specimen. Use of frozen specimen should be
avoided as this may affect results.
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