Step Five of the hemoglobin test covers error messages that might be displayed on the HemoCue, and how to resolve them.

Step Five Video Narration:

The analyzer needs to be cleaned on a regular basis, preferably weekly, but this time period may be determined by your local agency.

To clean the unit, turn the machine off. No part of the machine should be cleaned with alcohol or alcohol wipes, even though the HemoCue manual suggests using alcohol. Only mild soap and water are to be used on all parts of the machine.

The cuvette holder can be taken out by using a pen/pencil tip or fingernail to depress the groove, which will allow the holder to slide out and be cleaned. The cuvette holder can then be cleaned with soap and water to remove any dirt or blood. Do not insert it into the machine wet; allow it to air dry for 15 minutes.

The outside of the analyzer can be cleaned, if it is visibly dirty. Use mild soap and water and allow to air dry for 15 minutes, as well.

If an error message appears such as ‘E01’ or ‘E02,’ you will need to clean the sensor inside the unit. To do this, start by turning off the machine. Remove the cuvette tray. You can then use a cotton swab moistened with water or a HemoCue cleaner. Squeeze out the excess water. Insert the swab into the machine; angle it up and down to get at the sensor.

There may be dried blood that needs to be removed, which will make the swab reddish brown. Use additional cotton swabs to clean the unit until they come out clean.

Let the unit air dry for 15 minutes. Insert the tray back into the machine, and turn it on. The three bars will display. If not, it may be time to refer to your agency's troubleshooting procedures.