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C1q Complement

Referred out for testing

Source Blood
Mnemonic

MISCREFBL

TEST NAME ALERT: For Anti-C1q or C1q Antibody, refer to Anti-C1q Antibody or C1q Antibody.

Specimen Requirements

1 x 4 mL lavender top EDTA tube

1.0 mL plasma

CLS staff: Proceed with specimen collection and transport to DSC Accession. DSC Referrals will oversee the physician approval process.

Note to ordering physician: This test requires review and approval by CLS Medical & Scientific Staff. Please contact CLS Referrals at 403-770-3285 for further information on the approval process.

Specimen Handling

Twice spun plasma is required for this test.

  1. Centrifuge lavender top EDTA tube, pipet plasma into aliquot tube (avoid the WBC layer that will appear on top of the red cells).
  2. Centrifuge aliquotted plasma tube again and pipet plasma into new aliquot tube (avoid the sediment that may appear on the bottom of the tubes).

PSC & RRL:
Transport the twice spun plasma aliquot on ice to DSC. Send specimen in a separate bag with a photocopy of the requisition.

Extra-regional:
Freeze the twice spun plasma aliquot and transport to DSC. Send specimen in a separate bag with a photocopy of the requisition.

DSC:
Freeze specimens upon receipt in lab; ensure frozen specimens do not thaw. 

Additional Information
Testing Location In-Common Laboratories
Testing Frequency
Alternate Name(s) C1q, C1q Antigen, C1q Level
Reference Interval