ANTI SMITH ANTIBODY

Test Code
LAB7942


CPT Codes
86235

Preferred Specimen
1 Gold tube (SST)


Minimum Volume
0.5 mL (1 mL optimal)


Other Acceptable Specimens
1 Lavender tube (EDTA)


OR

1 Green tube (Lithium Heparin)


OR



Instructions
Centrifuge for complete separation of serum or plasma from red cells. 


Transport Container
Transfer tube


Transport Temperature
Refrigerate


Specimen Stability
  • 2-8°C up to 7 days
  • otherwise freeze at -20° or lower


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


Methodology
Multiplex Flow Immunoassay

Setup Schedule
M, T, W, Th, F, Sa, Su

Batched; once per day


Clinical Significance
Antibodies to Sm are highly specific for systemic lupus erythematosus and when present are considered a marker antibody. However, these antibodies are found in only 20% of patients with SLE.


Performing Laboratory
Alverno Central Lab



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.