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NEUROMYELITIS OPTICA (NMO)/AQUAPORIN-4-IGG FLUORESCENCE-ACTIVATED CELL SORTING (FACS) ASSAY, SERUM WITH REFLEX TO TITER

Mnemonic

NMOFS

Synonym

NMO

Guidelines

Useful for establishing the diagnosis of NMO spectrum disorders (NMOSD) and distinguishing one of these disorders from MS early in the course of disease.

Specimen Collection Requirements

Collect

Serum, one 5.0 mL Red top tube, SST acceptable

Handling

Separate serum from cells. Refrigerate serum.

Preferred Volume

1.0 mL

Minimum Volume

0.5 mL

Transport

Refrigerated

Rejection Criteria

Plasma

Stability

AFTER SEPARATION FROM CELLS: Ambient: 3 days, Refrigerated: 28 days, Frozen: 28 days

Testing Information

Performed

Mon, Tues, Thur

Reported

3-5 days

Method

Fluorescence-Activated Cell Sorting Assay (FACS)

Referral Lab

Mayo Medical Laboratory (NMOFS)

Reference Values

Reference Values

Interpretation provided

CPT Codes

86255; 86256 if reflexed

Last Updated: Thursday, January 5, 2017 03:41:26 AM


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