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Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog
RI ANTIBODY SCREEN W/REFLEX TO TITER & WB |
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ORDERING INFORMATION: |
Geisinger Epic Procedure Code: LAB2748 Geisinger Epic ID: 35843 | |
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: |
1 mL (minimum 0.3 mL) serum | |
Patient preparation: |
A 12-hour fasting specimen is preferred. | |
| SPECIMEN PROCESSING |
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Transport temperature: |
Room temperature. | |
Specimen stability: |
Room temperature: 7 days. Refrigerated: 14 days. Frozen: 21 days. | |
Rejection criteria: |
Stability limits exceeded. | |
TEST DETAILS |
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Reference interval: |
Ri Ab Screen,IFA Negative Ri Ab,WB Negative Ri Ab,Titer <1:4 | |
CPT code(s): |
86255 | |
| 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: |
Indirect Immunofluorescence Western Blot |
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Synonyms: |
Neuronal Nuclear (Ri) Antibody Quest test code 10140 RIAB
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Clinical significance: |
Anti-Ri can be detected in patients with the paraneoplastic opsoclonus/myoclonus syndrome. Neoplasms most often associated with Anti-Ri include breast cancer, gynecological cancers, and small cell lung cancer. | |