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Test ID:
DNAAB
Double-stranded DNA (dsDNA) Antibodies – IgG, Serum/Plasma
Test Overview
Clinical Utility
Useful in diagnosing and managing SLE. This assay measures antibodies against double-stranded DNA. (Analysis by an alternate method (Multiplex Bead Technology) is available as part of Extractable Nuclear Antigen Antibodies (see separate listing)).
Method
Enzyme-linked immunosorbent assay (ELISA)
Analytical Platform
Euroimmun Analyzer I
Result Included
ds-DNA Antibodies
Aliases/Synonyms
Anti-dsDNA; Anti-DNA
Specimen
Specimen Type
SerumPlasma (EDTA)
Plasma (heparin)
Plasma (Citrate)
Volume
Sample Volume
1.0 mL
Minimum Volume
0.5 mL
Collection & Handling
Handling Information
Store and send frozen.
Stability
| Refrigerated | Frozen |
|---|---|
| 21 days | >21 days |
Performance & Interpretation
Turnaround Time
10 days
Results
Name
Units
Reference Range
Conversion
-
dsDNA AntibodiesIU/mLNegative: ≤99
Positive: >99
Referral Location
Canada
Test Version
Last Updated
2019-09-30