Recommendations when to order or not order the test. May include related or preferred tests.
Consider ordering for individuals with paraneoplastic encephalomyelitis, chorea, cerebellar degeneration, optic neuritis, and peripheral neuropathy. May aid in diagnosis of occult or recurrent tumor. Serum is the preferred specimen.
Mnemonic
Unique test identifier.
CV2.1 CSF
Methodology
Process(es) used to perform the test.
Semi-Quantitative Indirect Fluorescent Antibody
Performed
Days of the week the test is performed.
Thu
Reported
Expected turnaround time for a result, beginning when ARUP has received the specimen.
1-8 days
New York DOH Approval Status
Indicates test has been approved by the New York State Department of Health.
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect
CSF.
Specimen Preparation
Transfer 0.5 mL CSF to an ARUP Standard Transport Tube. (Min: 0.15 mL)
Storage/Transport Temperature
Refrigerated.
Unacceptable Conditions
Hemolyzed, contaminated, or severely lipemic specimens.
Normal range/expected value(s) for a specific disease state. May also include abnormal ranges.
Less than 1:1
Interpretive Data
Background information for test. May include disease information, patient result explanation, recommendations, details of testing, associated diseases, explanation of possible patient results.
CV2.1 antibodies aid in discriminating between chronic paraneoplastic neurological disorder (PND) and other inflammatory disorders of the nervous system. Anti-CV2.1 is associated with small-cell lung cancer and thymoma.
Compliance Category
Laboratory Developed Test (LDT)
Note
Additional information related to the test.
If CV2.1 Antibody IgG Screen by IFA, CSF is positive, then CV2.1 Antibody IgG Titer, CSF will be added. Additional charges apply.
Hotline History
N/A
CPT Codes
The American Medical Association Current Procedural Terminology (CPT) codes published in ARUP's Laboratory Test Directory are provided for informational purposes only. The codes reflect our interpretation of CPT coding requirements based upon AMA guidelines published annually. CPT codes are provided only as guidance to assist clients with billing. ARUP strongly recommends that clients confirm CPT codes with their Medicare administrative contractor, as requirements may differ. CPT coding is the sole responsibility of the billing party. ARUP Laboratories assumes no responsibility for billing errors due to reliance on the CPT codes published.
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
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