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Test ID BLOD1201 Neuromyelitis Optica (NMO)/Aquaporin-4-IgG Fluorescence-Activated Cell Sorting (FACS) Assay, Serum

Useful For

Diagnosis of a neuromyelitis optica spectrum disorder (NMOSD)

 

Diagnosis of autoimmune AQP4 channelopathy

 

Diagnosis of neuromyelitis optica (NMO)

 

Distinguishing NMOSD from multiple sclerosis early in the course of disease

Specimen Type

Serum


Ordering Guidance


 



Specimen Required


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 Minimum Volume

2 mL

Reject Due To

Gross hemolysis OK
Gross lipemia OK
Gross icterus OK

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Refrigerated (preferred) 28 days
  Frozen  28 days
  Ambient  72 hours

Day(s) Performed

Monday, Tuesday, Thursday

Report Available

5 to 8 days

Method Name

Flow Cytometry

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

86053

86053-titer (if appropriate)

Reflex Tests

Test ID Reporting Name Available Separately Always Performed
NMOTS NMO/AQP4 FACS Titer, S No No

Testing Algorithm

When the results of this assay require further evaluation, NMOTS / Neuromyelitis Optica (NMO)/Aquaporin-4-IgG Fluorescence-Activated Cell Sorting (FACS) Titer Assay, Serum will be performed at an additional charge.

Reporting Name

NMO/AQP4 FACS, S

Reference Values

Negative

Secondary ID

38324

Forms

If not ordering electronically, complete, print, and send Neurology Specialty Testing Client Test Request (T732) with the specimen.

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.
Sanford Laboratories - Fargo Additional Information:

SANFORD INTERFACE BUILD INFORMATION

Result Code Result Code Description
13317 NMO/AQP4-IgG