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St. John Health System
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Chromatin (Nucleosomal) Antibody

Order Name CHROMATIN
Test Number: 3630327
Revision Date 12/12/2022
Test Name Methodology LOINC Code
Chromatin (Nucleosomal) Antibody
Multiplex flow immunoassay  
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 1mL (0.5mL) Serum Clot Activator SST Room Temperature
Instructions Notes: 0.5 mL (Note: This volume Does NOT allow for repeat testing.)
Specimen Type: Gel-barrier tube or red-top tube
Specimen Storage: Room temperature
Specimen Collection: If tube other than gel-barrier tube is used, transfer the separated serum to a plastic transport tube.
Specimen Stability: Ambient: 14 days, Refrigerated : 14 days, Frozen: 14 days
GENERAL INFORMATION
Expected TAT 2-4 Days  
Clinical Use Chromatin Antibody plays a central role in the autoimmune response in systemic lupus erythematosus (SLE). Approximately 90 percent of patients with SLE have sera that will exhibit reactivity to nucleosomes. 
Notes Labcorp Test Code: 012580
CPT Code(s) 86235
Service Provided By Labcorp Oklahoma, Inc.
Lab Section Reference Lab