SMITH IGG ANTIBODY

Test Code
LAB1586


Quest Code
37923


CPT Codes
86235

Preferred Specimen
1 mL serum 


Minimum Volume
0.5 mL


Transport Container
Transport tube


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
Mon-fri


Report Available
1-4 days


Reference Range
<1.0 AI Negative


Clinical Significance

Smith Antibody (Sm) is highly specific for systemic lupus erythematosus (SLE). Smith Antibody is also detected in approximately 15% of patients with SLE. Smith Antibody is detected in more than half of young African-American women with SLE.



Performing Laboratory
Quest Diagnostics-Lenexa
10101 Renner Blvd
Lenexa , KS 66219-9752



Last Updated: August 13, 2021


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.