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Geisinger Medical Laboratories Test Catalog
RECOMBX(R) ZIC4 AUTOANTIBODY TEST |
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Geisinger Epic Procedure Code: LAB3292
Geisinger Epic ID: 35847
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SPECIMEN COLLECTION |
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Specimen type: |
Serum (preferred) or CSF (acceptable but not the preferred specimen) | |
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: |
2 mL serum (preferred) or CSF (also acceptable); minimum 0.5 mL. | |
Special notes: |
CSF (2 mL; minimum 0.5 mL) in sterile-leak-proof container is acceptable but is not the preferred specimen. | |
| SPECIMEN PROCESSING |
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Specimen processing instructions: |
Serum must be separated from cells within 48 hours of collection. | |
Transport temperature: |
Refrigerated. | |
Specimen stability: |
Room temperature: 72 hours. Refrigerated: 28 days. Frozen: 28 days. | |
Rejection criteria: |
Stability limits exceeded. | |
TEST DETAILS |
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Reference interval: |
Accompanies report. | |
CPT code(s): |
83520 | |
| 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. | ||
Methodology: |
Automated Nanoliter Scale Immunoassay |
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Synonyms: |
Anti-Zic4, Anti-Zic4 Ab Quest test code 4689, Athena test code 127 ZIC4
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Clinical significance: |
Anti-Zic4 antibody is usually found in patients with paraneoplastic cerebellar degeneration and is associated with small cell lung carcinoma. This semi-quantitative assay may be useful in monitoring therapeutic responses in select cases. | |