Anti-DNA antibody, double stranded (DS DNA antibody)

Tube Type

Test ID LAB648
EPIC Order DS DNA Antibody
CPT Code(s) 86225, with 86256 if positive
Group/Individual Test Group
Laboratory Clinical Immunology
Tube Station 30
Specimen Routine: 2 ml blood/Serum Separator Tube/Gold Top
Availability Routine: 2 Runs/Week -- Tuesday & Thursday
Turnaround Time 1-5 days
Reference Range Normal: Negative
Comments Testing for dsDNA antibody is performed by indirect immunofluorescence assay (IFA) using the Crithidia luciliae substrate. Serum samples are screened at a 1:10 dilution. Results are reported as negative or positive. Positive sera are further tested with serial dilution to 1:640 titer.   Requests for >1:640 titer can be made by calling the lab at (984)974-1815. 

Reviewed by Christopher Parker on November 30, 2021

Note: Reference ranges provided on this web site are for guidance only, and may not reflect the most recent changes. Refer to laboratory reports for current reference data.

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514