DNA (ds) Antibody

Test Code

LAB648

Quest Code

255

CPT Codes
86225

Preferred Specimen

1 mL serum

Minimum Volume

0.5 mL

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 4 days
Refrigerated: 7 days
Frozen: 30 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Gross hemolysis • Grossly lipemic • Grossly icteric

Methodology
Immunoassay (IA)

Setup Schedule

P.M. Sets up 6 days a week.

Report Available

Reports in 2 to 4 days.

Reference Range

≤4 IU/mL				Negative
5-9 IU/mL				Indeterminate
≥10 IU/mL				Positive

Clinical Significance

dsDNA Antibody is detected in patients with active systemic lupus erythematosus (SLE) and approximately 20% of patients with Mixed Connective Tissue Disease.

Performing Laboratory
Quest Diagnostics Nichols Institute
33608 Ortega Highway
San Juan Capistrano, CA 92675-2042

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.