Autoimmune Nodopathy (CIDP-like) Evaluation
Test code
CPT code(s)*
Clinical significance
Test resources
Clinical focus
Test summary
Details
Includes
Neurofascin 155 Ab
Neurofascin 186 Ab
Contactin 1 Ab
CNTN1/CASPR1 Ab
Methodology
Cell Based Assay
Assay category
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
This test is not available for New York patient testing.
Alternative name(s)
CIDP,Autoimmune Peripheral Neuropathy,NF155,NF186,CASPR1,CNTN1,CASPR1/CNTN1,Paranodopathy,Demyelinating Neuropathy,Neuropathy,Polyneuropathy,Polyradiculopathy,Polyradiculoneuropathy,Immune Neuropathy
Specimen requirements | |
|---|---|
| Patient preparation | None Specified |
| Preferred specimen(s) | 1 mL serum |
| Minimum volume | 0.5 mL |
| Collection instructions | Draw blood in either serum separator tube (SST) or red-top tube (no gel), centrifuge within 24 hours and transfer serum to a plastic transport tube. |
| Transport container | Transport tube |
| Transport temperature | Room temperature |
| Specimen stability | Room temperature: 7 days Refrigerated: 14 days Frozen: 21 days |
Reference Range(s)
| Neurofascin 155 Ab | Negative |
| Neurofascin 186 Ab | Negative |
| Contactin 1 Ab | Negative |
| CNTN1/CASPR1 Ab | Negative |
Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.
*The CPT codes provided are based on AMA guidance and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.
This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.
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