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HelpTest Code NF4FS Neurofascin-155 IgG4, Flow Cytometry, Serum
Specimen Required
Only orderable as part of a profile. For more information see:
-CIDP / Chronic Inflammatory Demyelinating Polyradiculoneuropathy/Nodopathy Evaluation, Serum
-DMNES / Peripheral Nervous System Demyelinating Neuropathy, Autoimmune Evaluation, Serum
Useful For
Evaluating patients with an underlying demyelinating neuropathy
Diagnosis of a neurofascin-155 IgG4 mediated neuropathy
Reporting Name
Neurofascin-155 IgG4, SSpecimen Type
SerumSpecimen Minimum Volume
See Specimen Required
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
Only orderable as part of a profile. For more information see:
-CIDP / Chronic Inflammatory Demyelinating Polyradiculoneuropathy/Nodopathy Evaluation, Serum
-DMNES / Peripheral Nervous System Demyelinating Neuropathy, Autoimmune Evaluation, Serum
Negative
Day(s) Performed
Monday, Friday
Report Available
5 to 8 daysSpecimen Retention Time
28 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
86255
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| NF4FS | Neurofascin-155 IgG4, S | 100845-7 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 614591 | Neurofascin-155 IgG4, S | 100845-7 |