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HelpTest ID 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, specimen collection is recommended before initiation of immunosuppressant medication or intravenous immunoglobulin treatment.
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.
Forms
If not ordering electronically, complete, print, and send a Neurology Specialty Testing Client Test Request (T732) with the specimen.
Secondary ID
616443Useful For
Evaluating for chronic inflammatory demyelinating polyradiculoneuropathy (CIDP) and related demyelinating peripheral neuropathies
Specimen Type
SerumSpecimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| 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 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
86255 x 2
Special Instructions
Testing Algorithm
A thorough understanding of a patient's history along with clinical examination and laboratory testing are needed for a clinico-sero-pathological diagnosis of chronic demyelinating polyradiculoneuropathy (CIDP). To assess the probability of your patient having CIDP vs mimic disorders, see the Chronic Inflammatory Demyelinating Polyradiculoneuropathy (CIDP) calculator.