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Alternative names, keywords |
complement AP50, alternate pathway, CH50, CH100, C50, AP100, total haemolytic complement assay, THC |
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Samples required |
● Clotted blood (gold cap, 5 mL tube). Smaller tubes are available for paediatric samples. Bring to lab immediately on ice (sample must be spun, separated and frozen within 2 hours of being drawn). Do not send via pneumatic tube (pod) system. |
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Test indications |
Investigation of possible complement pathway deficiency. |
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Test information |
Tests functional activity of alternative and lytic components of complement system. Activity is low or absent if any of alternative or lytic complement components are not present. |
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Reference range |
Classical pathway function (CH100): 40 - 100% |
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Turnaround time |
Referral lab quotes turnaround time of 28 days, however additional time must be allowed for packing, dispatch and delivery of sample, and return and processing of results. |
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Enquiries |
Immunology (Referrals) |