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Test Code CRTHS Double-Stranded DNA (dsDNA) IgG Antibodies, Crithidia luciliae Immunofluorescence Screen, Serum


Specimen Required


Supplies: Sarstedt Aliquot Tube, 5 mL (T914)

Collection Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Submission Container/Tube: Plastic vial

Specimen Volume: 0.8 mL Serum

Collection Instructions: Centrifuge and aliquot serum into a plastic vial.


Reflex Tests

Test ID Reporting Name Available Separately Always Performed
CRTHT dsDNA Ab IFA Titer, IgG, S No No

Testing Algorithm

If the double-stranded DNA (dsDNA) IgG antibodies Crithidia luciliae immunofluorescence screen is positive, then the dsDNA IgG antibodies Crithidia luciliae immunofluorescence titer will be performed at an additional charge.

Method Name

CRTHS, CRTHT: Indirect Immunofluorescence Assay (IFA)

Specimen Type

Serum

Specimen Minimum Volume

See Specimen Required

Specimen Stability Information

Specimen Type Temperature Time
Serum Refrigerated (preferred) 7 days
  Frozen  21 days

Reject Due To

Gross hemolysis Reject
Gross lipemia Reject
Gross icterus OK
Heat-treated Reject

Day(s) Performed

Monday through Friday

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.