Test Code CIDP Chronic Inflammatory Demyelinating Polyradiculoneuropathy/Nodopathy Evaluation, Serum
Ordering Guidance
Multiple neurological phenotype-specific autoimmune/paraneoplastic evaluations are available. For more information as well as phenotype-specific testing options, refer to Autoimmune Neurology Test Ordering Guide.
For a list of antibodies performed with each evaluation, see Autoimmune Neurology Antibody Matrix.
Specimen Required
Patient Preparation: For optimal antibody detection, it is recommended collecting the specimen before initiation of immunosuppressant medication.
Collection Container/Tube:
Preferred: Red top
Acceptable: Serum gel
Submission Container/Tube: Plastic vial
Specimen Volume: 3 mL
Collection Instructions: Centrifuge and aliquot serum into a plastic vial.
Specimen Type
SerumSpecimen Minimum Volume
2 mL
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Serum | Refrigerated (preferred) | 28 days | |
Frozen | 28 days | ||
Ambient | 72 hours |
Reject Due To
Gross hemolysis | Reject |
Gross lipemia | Reject |
Gross icterus | Reject |
Reference Values
Contactin-1 IgG: Negative
Neurofascin-155 IgG4: Negative
Day(s) Performed
CONCS: Monday through Thursday, Sunday
NF4FS: Monday, Friday
Report Available
5 to 10 daysSpecimen Retention Time
28 daysPerforming Laboratory
Mayo Clinic Laboratories in RochesterCPT Code Information
86255 x 2