Autoantibodies to the complement classical pathway component C1q. Associated with Hypocomplementaemic Urticarial Vasculitis (HUV) they have been reported in SLE, especially in those with renal involvement (Lupus Nephritis). Anti-C1q antibodies are associated with a low complement C4 and often a low complement C3 as well.
Tube
Serum Gel
ID
12815
Availability
Weekdays
Additional Information
Anti-C1q antibodies are associated with Hypocomplementaemic Urticarial Vasculitis (HUV) and have been reported in SLE, especially those with renal involvement (Lupus Nephritis). Anti-C1q antibodies are associated with a low complement C4 and often a low complement C3 as well.
Turn Around
Refer to relevant laboratory for up to date turn around times, allowing an additional 10 working days for samples processing, dispatch and reporting and validation of the results.
Send to
Samples should be sent to the department of Clinical Immunology at LGI who will refer to appropriate referral lab (Sheffield PRU)
Contact
Collection Con
Lipaemic, haemolytic and icteric samples are unsuitable for this assay.
Frequency
Referred to external laboratory
Sample REQ
Blood
Ref. Range Notes
See reference range on referral website
Units
U/mL
IP Acute TAT
Contact referral laboratory. Contact Immunology at LGI if sample is to be sent urgently.
IP Routine TAT
Refer to relevant laboratory for up to date turn around times, allowing an additional 10 working days for samples processing, dispatch and reporting and validation of the results.
GP Acute TAT
Contact referral laboratory. Contact Immunology at LGI if sample is to be sent urgently.
GP Routine TAT
Refer to relevant laboratory for up to date turn around times, allowing an additional 10 working days for samples processing, dispatch and reporting and validation of the results.