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Test Code DSDNBB Double Stranded DNA (dsDNA) Antibody IgG by Multiplex Flow Immunoassay (MFI)

Important Note

Useful for:  Monitoring disease activity in systemic lupus erthematosus (SLE) patients previously positive for double-stranded DNA IgG antibodies. 

Additional Codes

Epic EAP
LAB5476 dsDNA AB, IgG 

Specimen Requirements

Preferred Collection Container: 

SST (Serum Separator)

 

Also Acceptable Collection Container: 

Red (No Additive)

 

Collection Information: 

Collect blood in a serum separator or red top tube.

 

Transport Information: 

Centrifuge and aliquot 0.25 mL into a plastic transport vial. Send refrigerated

 

Minimum Sample Volume: 

0.15 mL of serum (approximately 0.3 mL of whole blood based upon a normal patient hematocrit).

 

Unacceptable Conditions: 

Hemolysis

Performing Laboratory

Pathology Laboratory, UnityPoint Health, Des Moines

CPT

86225

Methodology

Multiplex Flow Immunoassay (MFI)

Stability

Refrigerated Stability: 

7 days - Preferred

 

Frozen Stability: 

30 days

 

Ambient Stability: 

4 hours

Performance

Performed: 

Monday - Friday

 

Analytical Time: 

4 hours

Alias

dsDNA AB, IgG