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Recombx® Hu Autoantibody Test
Test Code94610
CPT Codes
83520<br>Restricted Client Code
Physician Attestation of Informed Consent
This germline genetic test requires physician attestation that patient consent has been received if ordering medical facility is located in AK, DE, FL, GA, IA, MA, MN, NV, NJ, NY, OR, SD or VT or test is performed in MA.
Preferred Specimen
2 mL serum
Minimum Volume
0.5 mL
Other Acceptable Specimens
2 mL CSF collected in a sterile leak-proof container
Instructions
Please label each specimen tube with two forms of patient identification. These forms of identification must also appear on the requisition form.
Serum must be separated from cells within 48 hours of collection.
Serum must be separated from cells within 48 hours of collection.
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 72 hours
Refrigerated: 28 days
Frozen: 28 days
Refrigerated: 28 days
Frozen: 28 days
Methodology
Automated Nanoliter Scale Immunoassay
FDA Status
This test was developed and its analytical performance characteristics have been determined by Athena Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Setup Schedule
Set up: Mon-Fri; Report available: 3-5 days
Reference Range
Serum <1:100
CSF <1:1
CSF <1:1
Clinical Significance
Anti-Hu (ANNA1) antibody is found in 5-10% of patients with small cell carcinoma of the lung and are associated with paraneoplastic encephalomyelitis and sensory neuropathy. This semi-quantitative assay may be useful in monitoring therapeutic responses in select cases.