Category
Serology/ Immunology
Autoimmune
Cytology
Synonyms/Aliases
Double Stranded DNA Antibody, Anti DS DNA Antibody.
Abbreviations
DS-DNA ANTIBODY, dsDNA AB, ANTI-DS DNA.
Type
Individual Test
3 days
Results ready in 3 working days
Method
IFA
Temp
Ambient (7 Days), Refrigerated (14 Days), Frozen (30 Days).
Setup
Batched.
Components Parameters
N/A; however concurrent CBC/ PBF ordering is required.
PRE-ANALYTIC CONSIDERATIONS
Test Ordering Instructions
Fill out test request form fully & legibly.
Patient preparation
N/A
Sample type
Serum
Sample volume
2 ML
Container/ preservative
Serum separator tube (SST/ gel) or plain (red top) vacutainer.
Rejection criteria
Labeling Issue (Unlabeled/ Mislabeled); Missing Request Form; Mismatch Between Request Form & Sample Details; Missing Age/ Gender; Wrong Sample Type; Insufficient Sample; Hemolyzed, Lipemic, Icteric Samples.
Other Instructions
Centrifuge SST (serum gel tubes) within 1-2 hours of collection. Centrifuge red top vacutainers and ALIQUOT Serum within 1-2 hours of collection. The separation vial must be labeled with at least 2 patient identifiers and the sample type.
Reference intervals
Appropriate values provided with report.
Clinical Utility
Highly sensitive for diagnosis of Systemic Lupus Erythematosus (SLE). As a follow up test for positive anti-nuclear antibody (ANA) report.
Test Limitations/ Confounders
Does not occur in all patients with SLE.