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Alternative names, keywords |
Cryoglobulin, cryofibrinogen. |
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Samples required |
● Clotted blood (gold cap, 5 mL tube), plus ● EDTA blood (purple cap/ yellow cap ring, 4 mL tube). Both samples must be brought to lab at 37°C (thermos flask can be borrowed from phlebotomists at RSCH), and reach laboratory by 4pm, Monday to Fridays only, to allow time for processing. Note that sample cannot be shared with other tests due to special processing requirements. |
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Test indications |
Suspected cryoproteinaemia (including cryoglobulins and cryofibrinogen) - treatable cause of poor peripheral vascular perfusion in the cold. |
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Test information |
Cryoprotein screen includes screen for cryoglobulins (gold cap serum sample) and cryofibrinogen (purple cap EDTA plasma). If monitoring, only one may be required. Please note this test is not currently UKAS accredited. |
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Reference range |
Qualitative report |
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Turnaround time |
10 days |
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Enquiries |
Biochemistry (Special Chemistry) |