C1q antibody

Referred to Berkshire & Surrey Pathology Services, Frimley Park Hospital Frimley Park Hospital NHS Foundation Trust, Portsmouth Road, Frimley, Surrey GU16 7UJ

Alternative names, keywords

Anti-C1q antibodies

Samples required

Clotted blood (gold cap, 5 mL tube). Smaller tubes are available for paediatric samples.

Test indications

Associated with nephritis, particularly in the context of lupus. They are also seen in hypocomplementemic urticarial vasculitis.

Test information

Detected by ELISA.

Reference range

Reported as negative (0 - 15 U/mL) or positive (> 15 U/mL)

Turnaround time

Referral lab quotes turnaround time of 14 days, however additional time must be allowed for packing, dispatch and delivery of sample, and return and processing of results.


Immunology (Referrals)