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Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog
RECOMBX(R) RI AUTOANTIBODY TEST |
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ORDERING INFORMATION: |
Geisinger Epic Procedure Code: LAB2991 Geisinger Epic ID: 45229 | |
SPECIMEN COLLECTION |
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Specimen type: |
Serum | |
Preferred collection container: |
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Alternate Collection Container: |
3.5 mL gold-top (serum separator) tube
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Specimen required: |
2 mL serum; minimum 0.5 mL. | |
| SPECIMEN PROCESSING |
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Specimen processing instructions: |
Serum must be separated from whole blood within 48 hours of collection. | |
Transport temperature: |
Refrigerated. | |
Specimen stability: |
Room temperature: 72 hours. Refrigerated: 28 days. Frozen: 28 days. | |
TEST DETAILS |
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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: |
Quest client-specific test code 92420, Athena code 4685 RIAUTO
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Clinical significance: |
Anti-Ri antibody can be detected in patients with paraneoplastic opsoclonus/myoclonus syndrome. Neoplasms most often associated with anti-Ri include breast cancer, small cell lung cancer, and gynecological cancers. This semi-quantitative assay may be useful in monitoring therapeutic responses in select cases. | |