Anti-C1q Antibody, IgG
| Sunquest Code: | C1QABY | ||
| Epic Code: | LAB6751 | Epic Name: | Anti-C1q ABY, IgG |
| Synonyms: | Anti C1q Aby IgG | ||
| Methodology: | ELISA | ||
| 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. |
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Collection Instructions
| Specimen: | Blood |
| Optimal Volume: | 1 mL |
| Minimum\Peds Volume: | 0.5 mL |
| Container: | Red or gold (gel) (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: |
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| 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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