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What is a ANTI-ds DNA ANTIBODY CRITHIDIA, IFA?

The **Anti-dsDNA Antibody Crithidia, IFA test** is a specialized blood test used to detect antibodies against double-stranded DNA, which are strongly associated with systemic lupus erythematosus (SLE). The Crithidia luciliae immunofluorescence assay (IFA) uses a protozoan organism containing kinetoplast DNA as a substrate to identify these antibodies with high specificity. The test is performed by drawing a blood sample from a vein, which is then processed in the laboratory to evaluate the presence of anti-dsDNA antibodies.

Additional Information

Also known as/ Other names: Anti-dsDNA by Crithidia IFA, Crithidia luciliae dsDNA Antibody Test, Double-Stranded DNA Antibody IFA (Crithidia Method), dsDNA Antibody Crithidia Immunofluorescence Test
Parameters: 1
Recommended for: M/F/Others
Sample Type: Blood
Patient Preparation: Overnight fasting is preferred.
Reports: 2 days

FAQs

Can this test confirm lupus alone?

No, it supports diagnosis but must be combined with clinical findings and other tests.

Who should undergo this test?

Patients with suspected lupus or unexplained autoimmune symptoms may need it.

Can pregnancy affect results?

Pregnancy does not alter antibody detection, but lupus may complicate pregnancy.

What happens after abnormal results?

Doctors may recommend further autoimmune tests, imaging, or treatment adjustments.

Can diet or lifestyle affect results?

Diet does not affect antibody levels, but overall immune health may influence outcomes.

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