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Answers to questions about UK NEQAS for Immunology, Immunochemistry & Allergy.
Q - How do I request a repeat sample?
A - You will need to complete the Repeat Sample Online Request Form under the Results heading
Q - When should the correction factor for the NBA be used?
A - The correction factor for the NBA should only be used when the NBA is >0.007AU and when oxyhaemoglobin is present but there is no visible peak and where the serum bilirubin is >20umol/L and the CSF protein is <1.0g/L. If the CSF protein is >1.0g/L it is not appropriate to use the correction factor as the correction formulae has not been validated in the population
Q - An error about valid combinations keeps popping up when I try to save my results, what do I do?
A - You need to click on the green question mark next to the analyte box. Select the method / manufacturer / unit as listed. If your options are not available select 'other' option and submit information in the text box (marked as a grey box with 3 dots). If the error persists email with your laboratory number, the Scheme and Distribution, where the error is occurring and the error message
Q - When I try to view my current report, a report from a previous Distribution appears instead, what should I do?
A - You need to refresh your internet browser (2 green arrows at the side of the web address) to ensure the current report appears
Q - What do I do if I have accidently clicked 'complete' before entering all my results?
A - You need to email stating that the Complete button was selected in error. You will also need to state your laboratory number, Scheme, Distribution and the results that you would like to enter
Q - I'm having problems accessing this years Distribution Schedule
A - Try updating your version of Internet Explorer or use an alternative Internet Browser such as Mozilla or Firefox. If you are having difficulties viewing PDF documents then try updating your version of Adobe Acrobat
Q - There was insufficient CSF sample received to perform a spectrophotometric scan for bilirubin. One hour after the first tap a repeat CSF sample is received. What should I do?
A - Perform the spectrophotometric scan on the repeat sample. If this is negative, or significant bilirubin is detected then report accordingly. If, however, an oxyhaemoglobin peak is detected you should comment that this may be due to the introduction of blood into the CSF during the first tap. This may affect the interpretation of the result depending on the level of the oxyhaemoglobin peak (for instance if the NOA is > or = 0.1AU). If significant bilirubin is detected in the CSF and the serum bilirubin is >20umol/L then you should also comment that the introduction of blood into the CSF may have also influenced the bilirubin level measured in the CSF and interpretation of this result will not be possible (do not calculate the adjusted NBA in these circumstances). Between 1 and 12 hours following the initial tap there is an increasing possibility that interpretation may be affected if any blood was introduced into the CSF during the tap. If the time gap between the first and second CSF sample is > or = 12 hours then interpretation becomes even more difficult. Any blood introduced into the CSF at the first tap will be metabolised in the same way as if there had been a bleed
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