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Geisinger Medical Laboratories Test Catalog
HISTONE ANTIBODIES |
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Geisinger Epic Procedure Code: LAB2463
Geisinger Epic ID: 21584
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SPECIMEN COLLECTION |
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Specimen type: |
Serum | |
Preferred collection container: |
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Alternate Collection Container: |
6 mL red-top (plain, non-serum separator) tube
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Specimen required: |
1 mL aliquot of serum; minimum 0.3 mL. | |
Patient preparation: |
Overnight fasting is preferred | |
| SPECIMEN PROCESSING |
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Specimen processing instructions: |
Centrifuge and transfer serum specimens to clean, plastic, screw-capped vial(s). | |
Transport temperature: |
Refrigerated (preferred) or frozen. | |
Specimen stability: |
Refrigerated: 14 days. Frozen: 1 month. | |
Rejection criteria: |
Stability limits exceeded. | |
TEST DETAILS |
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CPT code(s): |
83516 | |
| 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. | ||
Test includes: |
Histone antibody. | |
Methodology: |
Enzyme Immunoassay (EIA) |
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Synonyms: |
AHAB, Quest tests code 37056
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Clinical significance: |
Histone antibody is present in 80-95% of patients with drug-induced Systemic Lupus Erythematosus (SLE), 20-50% of patients with idiopathic SLE, and infrequently in patients with other autoimmune connective tissue diseases. | |