N-methyl-D-Aspartate Receptor Antibody, IgG, CSF


Sunquest Code:NMDACF  
Epic Code:LAB6654Epic Name:N-methyl-D-Aspartate Receptor Antibody, IgG, CSF
Methodology:Semi-quantitative indirect fluorescent antibody
CPT Code:86255, 83256
Turnaround Time:Specimens are sent to reference laboratory Mon-Sat; results are reported within 1-6 days.
Compliance:

This test was developed and its performance characteristics determined by ARUP Laboratories. The U.S. Food and Drug Administration has not approved or cleared this test; however FDA clearance or approval is not currently required for clinical use. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions.



Collection Instructions

Specimen:CSF
Optimal Volume:0.5 mL
Minimum\Peds Volume:0.15 mL
Container:Sterile tube (Plastic leakproof container, sterile)
Causes for Rejection:Contaminated, hemolyzed or severely lipemic specimens.


Processing and Shipping

Specimen Processing:Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:2005164


Interpretive

Reference Range:Less than 1:1 If NMDA CSF antibody IgG is positive, then an NMDA CSF antibody IgG titer is reported.
Use:Confirm diagnosis of anti-NMDAR encephalitis.


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