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HelpBCH Order Code NF4FS Neurofascin-155 IgG4, Flow Cytometry, Serum
Specimen Required
Collection Container/Tube:
Preferred: Red top
Acceptable: Serum gel
Specimen Volume: 2 mL
Useful For
Evaluating patients with an underlying demyelinating neuropathy
Diagnosis of a neurofascin-155 IgG4 mediated neuropathy
Method Name
Flow Cytometry
Reporting Name
Neurofascin-155 IgG4, SSpecimen Type
SerumSpecimen Minimum Volume
1 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Refrigerated (preferred) | 28 days | |
| Frozen | 28 days | ||
| Ambient | 72 hours |
Reference Values
Negative
Day(s) Performed
Monday, Friday
Report Available
5 to 8 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
Test Classification
This test was developed, and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the US Food and Drug Administration.CPT Code Information
86255
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| NF4FS | Neurofascin-155 IgG4, S | In Process |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 614591 | Neurofascin-155 IgG4, S | In Process |
Forms
If not ordering electronically, complete, print, and send a Neurology Specialty Testing Client Test Request (T732) with the specimen.