186
Symptom Explanation Action
Unexpected
patient or
control results
Patient or control samples
1) Improper sampling technique.
2)The Cuvettes have passed the
expiry date, are faulty or have
been improperly stored.
3) The optical eye of the Cuvette
is contaminated.
4) Air bubbles in the Cuvette.
5) The optical parts are dirty.
6) Incompletely filled Cuvette.
7) The measurement needs to be
started no later than 40
seconds (for Glucose 201 DM
and Glucose 201 DM RT) or
10 minutes (for Hb 201 DM)
after filling the Cuvette.
8) The analyzer is damaged or
malfunctioning.
Control samples
9) The control has not been
properly mixed and/or has not
reached room temperature.
10a)Control solution not
compatible.
10b) Control solution expired or
improperly stored.
Patient or control samples
1) See relevant section in Instructions
for Use.
2) Check the expiry date and the
storage conditions of the
Cuvettes.
3) Fill a new Cuvette and perform a
new measurement.
4) Check the Cuvette for air bubbles.
Remeasure the control/sample
with a new Cuvette.
5) Clean the optical parts as
described in relevant section of
Instructions for Use.
6) Fill a new Cuvette and perform a
new measurement.
7) Fill a new Cuvette and perform a
new measurement.
8) The analyzer needs service.
Contact the distibutor.
Control samples
9) 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.
10a)If a quality control test is to be
performed, only use quality
controls recommended by
HemoCue, see relevant package
insert for more information.
10b)Check the expiry date and the
storage conditions of the control.
Repeat the measurement with a
new control/ sample. If the
problem continues, contact the
manufacturer of the control.