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Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog
RECOMBX® AMPHIPHYSIN AUTOANTIBODY TEST |
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ORDERING INFORMATION: |
Geisinger Epic Procedure Code: LAB3913 Geisinger Epic ID: 35849 | |
SPECIMEN COLLECTION |
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Specimen type: |
Serum (preferred)or CSF (acceptable) | |
Preferred collection container: |
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Alternate Collection Container: |
Sterile screw-cap tube
6 mL red-top (plain, non-serum separator) tube
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Specimen required: |
2 mL (minimum 0.5 mL) preferred | |
Special notes: |
CSF (2 mL, minimum 0.5 mL) in sterile, leak-proof container is also acceptable but not the preferred specimen. See Specimen Processing Notes. | |
| 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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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 test code 4674, AMPH AMPHAB
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Clinical significance: |
Anti-Amphiphysin antibody is found in patients with sensory neuropathy, Stiff-Person syndrome, paraneoplastic encephalomyelitis (PEM), limbic encephalitis, or myelopathy. This semi-quantitative assay may useful in monitoring therapeutic responses in select cases. | |