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Anti-C1q antibody

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Anti-C1q antibody

Accredited Facility E-report Qualified Specialists

This test is done to detect antibodies against C1q, a component of the complement system involved in immune regulation. Elevated levels are most commonly associated with systemic lupus erythematosus, especially with kidney involvement (lupus nephritis). It helps assess disease activity and may support monitoring of autoimmune disease progression.

  • If systemic lupus erythematosus is suspected or diagnosed.
  • If there are signs of kidney involvement such as protein or blood in urine.
  • If there is unexplained systemic inflammation.
  • If a healthcare provider is monitoring autoimmune disease activity.
  • No fasting is required.
  • No special preparation is usually needed.
  • Inform your healthcare provider about immunosuppressive medications.
  • Follow any instructions provided by the laboratory or healthcare provider.
    • Anti-C1q antibody
    No labs currently offering this test.