Specimen Collection Manual and Test Catalog
CHROMATIN (NUCLEOSOMAL) AB
Geisinger Epic Procedure Code: LAB2000 Geisinger Epic ID: 45092SPECIMEN COLLECTION
Specimen type:
Serum
Preferred collection container:
Alternate collection container:
6 mL red-top (plain, non-serum separator) tube
Specimen required:
1 mL serum; minimum 0.5 mL
SPECIMEN PROCESSING
Transport temperature:
Refrigerated (cold packs).
Specimen stability:
Room temperature: 4 days. Refrigerated: 7 days. Frozsen: 30 days.
Rejection criteria:
Gross hemolysis. Grossly lipemic. Grossly icteric.
TEST DETAILS
CPT code(s):
86235
Note: The billing party has sole responsibility for CPT coding. Any
questions regarding coding should be directed to the payer being billed.
The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Methodology:
Immunoassay
Synonyms:
Quest test code 34088, CHROMT
Clinical significance:
Review Date:
12/04/2024 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 Locations