Cysticercosis Antibody, IgG, by ELISA (CSF)


Abbrev Code:CYSAB   
Order Code:LAB1083Order Name:Cysticercosis Antibody IgG CSF
Methodology:Enzyme-linked immunosorbent assay
CPT Codes: 86682 x1
Turnaround Time:Specimens are sent to reference laboratory Mon-Sat; results are reported in 1-5 days.
Compliance:

The manufacturer has not determined the efficacy of this test when performed on CSF specimens. The performance characteristics of this test were determined by ARUP Laboratories.



Collection Instructions

Specimen:CSF
Optimal Volume:1 mL
Minimum\Peds Volume:0.3 mL
Container:Sterile tube
Alternate Containers: Plastic leakproof container, sterile
Causes for Rejection:Serum. Lipemic, hemolyzed, icteric, contaminated or heat-inactivated specimens.


Processing and Shipping

Specimen Processing:Aliquot 1 mL, 0.3 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Stability:48 hours at room temperature; 2 weeks at refrigerated; 1 month frozen. Avoid repeated freeze/thaw cycles.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:55285


Interpretive

Reference Range:
<9 U Negative: No significant level of cysticercosis IgG antibody detected.
9-11 U Equivocal: Recommend repeat testing in 2-4 weeks with fresh sample.
>11 U Positive: IgG antibodies to cysticercosis detected, which may suggest current or past infection.

A negative result does not rule out infection. Repeat testing after 4 weeks if clinical suspicion is high.
Cross-reaction with antibodies against Echinococcus ssp. have been reported. 
Use:Diagnosis of central nervous system infections can be accomplished by demonstrating the presence of intrathecally-produced specific antibody. Interpretation of results may be complicated by low antibody levels found in CSF, passive transfer of antibody from blood, and contamination via bloody taps.


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