Anti-C1q Antibody, IgG


Abbrev Code:C1QABY   
Order Code:LAB6751Order Name:Anti-C1q ABY, IgG
Synonyms:Anti C1q Aby IgG
Methodology:ELISA
CPT Codes: 83516 x1
Turnaround Time:Specimens are sent to reference laboratory Mon-Sat; results are reported within 1-15 days.
Compliance:

This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the U.S. Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.



Collection Instructions

Specimen:Blood
Optimal Volume:1 mL
Minimum\Peds Volume:0.5 mL
Container:Red or gold (gel)
Alternate Containers: Red (no gel)
Causes for Rejection:Urine or plasma. Contaminated, heat-inactivated, severely hemolyzed or severely lipemic specimens.


Processing and Shipping

Specimen Processing:Separate from cells within 2 hours. Centrifuge and aliquot 0.5 mL, 0.15 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Stability:Stability: After separation from cells: 48 hours at room temperature; 2 weeks refrigerated, 1 year frozen.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:2007601


Interpretive

Reference Range:

0-19 Units

Negative

20-39 Units

Equivocal

40 Units or greater

Positive

 

 

Use:The presence of the anti-C1q IgG antibody may be associated with increased risk of lupus nephritis or with systemic lupus erythematosus (SLE) global activity. Anti-C1q antibodies are not specific for SLE; strong clinical correlation with disease is recommended.


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