CHROMATIN

Test Code
LAB8415 (MISCELLANEOUS)


Alias/See Also
  • Anti-Chromatin
  • Anti-DNP
  • Anti-Nucleosome
  • Chromatin IgG Ab


CPT Codes
86235

Preferred Specimen
1 Gold tube (SST)


Patient Preparation
None

Minimum Volume
0.5 mL (1 mL optimal)


Other Acceptable Specimens
1 Lavender tube (EDTA)


OR

1 Green tube (Lithium Heparin)


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


Transport Container
Gold 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?)
  • Hemolyzed
  • Lipemic


Methodology
Multiplex Flow Immunoassay

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

Batched; once per day


Clinical Significance
Chromtain Antibody plays a central role in the autoimmune response in systemic lupus erythematosus (SLE). Approximately 90% of patients with SLE have sera that will exhibit reactivity to nucleosomes. 


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.