test children and young people for complement deficiency if they have had either:
more than one episode of meningococcal disease, or
one episode of meningococcal disease caused by serogroups other than B (for example A, C, Y, W135, X, 29E), or
meningococcal disease caused by any serogroup and a history of other recurrent or serious bacterial infections
children and young people with recurrent episodes of meningococcal disease should be assessed by a specialist in infectious disease or immunology
do not test children and young people for complement deficiency who have had either:
a single episode of meningococcal disease caused by serogroup B meningococcus, or
unconfirmed meningococcal disease
if a child or young person who has had meningococcal disease has a family history of meningococcal disease or complement deficiency, test the child or young person for complement deficiency
if a child or young person who has had meningococcal disease is found to have complement deficiency, test their parents and siblings for complement deficiency
refer children and young people with complement deficiency to a healthcare professional with expertise in the management of the condition
do not test children and young people for immunoglobulin deficiency if they have had meningococcal disease, unless they have a history suggestive of an immunodeficiency (that is, a history of serious, persistent, unusual, or recurrent infections).
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