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

Synonyms

Allscripts (AEHR) Order Name

Neuromyelitis Optica (NMO) AB

Sunrise Clinical Manager (SCM) Order Name

Neuromyelitis Optica Antibody

Clinical Info

Detection of NMO/APQ4-IgG allows distinction of NMOSD from MS and is indicative of a relapsing disease, mandating initiation of immunosuppression, even after the first attack, thereby reducing attack frequency and disability in the future.

Specimen Type

Blood

Container

Red Top Tube

Collection Instructions

Container/Tube: Red top tube or Gold Top Tube
Specimen: 3.0 mL serum (2.0 mL mIn)
Transport Temperature: Refrigerated
Stability: 72 Hours Room Temperature
28 Days Refrigerated or Frozen
Rejection: Gross lipemia; gross hemolysis; gross icterus

Transport Instructions

Refrigerated

Specimen Stability

72 Hours Room Temperature
28 Days Refrigerated or Frozen
Rejection: Gross lipemia; gross hemolysis; gross icterus

Methodology

Flow Cytometry

Days Performed

TAT: 6-9 days

Performing Laboratory

Mayo medical Laboratories

CPT

83255
86256 If titer

LOINC Code: 43638-6

PDM

5900015

Result Interpretation

0−3.0 U/mL = negative
 >3.0 = positive
 
TAT: 4-6 Days

Forms