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Test Code DSDNA Double-Stranded DNA (dsDNA) Antibodies, IgG, Serum

Reporting Name

dsDNA Ab, IgG, S

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Useful 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

Serum

Specimen 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 days

Reference 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.