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Geisinger Medical Laboratories Test Catalog
PARANEOPLASTIC VISION LOSS EVALUATION, SERUM |
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ORDERING INFORMATION: |
Geisinger Epic Procedure Code: LAB4819 Geisinger Epic ID: 184269 | |
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: |
4 mL serum | |
Special notes: |
Collete one full 6 mL red-top tube. | |
| SPECIMEN PROCESSING |
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Specimen processing instructions: |
Allow blood to clot, centrifuge, then aliquot. | |
Transport temperature: |
Refrigerated. | |
Specimen stability: |
Room Temperature: 72 hours. Refrigerated: 28 days. Frozen: 28 days. | |
Rejection criteria: |
Gross hemolysis, lipemia or icterus | |
TEST DETAILS |
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CPT code(s): |
86255, 84182 | |
| 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 |
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Synonyms: |
PVLE
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Clinical significance: |
Evaluating patients with rapidly progressive vision loss where a paraneoplastic cause for vision loss (retinopathy or optic neuritis with other findings [eg, retinitis] is suspected) Evaluating patients with small-cell carcinoma who develop vision loss. | |