Test Code DSDNA Double-Stranded DNA (dsDNA) Antibodies, IgG, Serum
Reporting Name
dsDNA Ab, IgG, SPerforming Laboratory
Mayo Clinic Laboratories in RochesterUseful For
Evaluating patients with clinical features or at-risk for systemic lupus erythematosus (SLE)
Monitoring disease activity, as an adjunct test, in patients with SLE previously positive for double-stranded DNA IgG antibodies
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: 0.3 mL
Collection Instructions: Centrifuge and aliquot serum into a plastic vial.
Specimen Minimum Volume
See Specimen Required
Specimen Type
SerumSpecimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Serum | Refrigerated (preferred) | 21 days | |
Frozen | 21 days |
Day(s) Performed
Monday through Saturday
Report Available
2 to 4 daysReference Values
<100 IU/mL (negative)
≥100 IU/mL (positive)
Negative is considered normal.
Reference values apply to all ages.
Method Name
Enzyme-Linked Immunosorbent Assay (ELISA)
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.CPT Code Information
86225
LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
ADNA1 | dsDNA Ab, IgG, S | 33799-8 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
ADNA1 | dsDNA Ab, IgG, S | 33799-8 |
Testing Algorithm
For more information see First-Line Screening for Autoimmune Liver Disease Algorithm.
Forms
If not ordering electronically, complete, print, and send a General Request (T239) with the specimen.