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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

Serum

Specimen 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 days

Specimen Retention Time

28 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

86255 x 2