Chromatin (Nucleosomal) Antibody

Test Code
CHR(34088)

Quest Code
34088

CPT Codes
86235

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
Wed, Sat

Report Available
1 to 4 Day(s)

Reference Range
<1.0 AI Negative

Clinical Significance
Chromatin 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
Quest Diagnostics Nichols Institute
33608 Ortega Hwy
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.