Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

Order Display Name: Geisinger Epic Procedure Code Or ID CPT Code:  

RECOMBX® AMPHIPHYSIN AUTOANTIBODY TEST

ORDERING INFORMATION:
        Geisinger Epic ID: 35849

SPECIMEN COLLECTION
Specimen type:
Serum (preferred)or CSF (acceptable)
Preferred collection container:
Alternate Collection Container:
Sterile screw-cap tube
6 mL red-top (plain, non-serum separator) tube
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
Specimen processing instructions:
Serum must be separated from cells within 28 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
Reference interval:
Accompanies report.
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
Synonyms:
Quest test code 4674, AMPH
AMPHAB
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.

Performing Locations

Quest Diagnostics

Technical Lead: Michael Weaver    
Frequency: Set up: Mon-Fri; Report available: 3-5 days    
Performed stat? No
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