Aspergillus spp Antibodies by Immunodiffusion


Sunquest Code:ASABID  
Epic Code:LAB784Epic Name:Aspergillus Antibody
Synonyms:Aspergillus Precipitin; Aspregillus Precipitins
Methodology:Immunodiffusion
Turnaround Time:Specimens are sent to reference laboratory Mon-Sat; results are reported in 3-6 days.


Collection Instructions

Specimen:Blood
Optimal Volume:1 mL
Minimum\Peds Volume:0.5 mL
Container:Red or gold (gel) (Red (no gel))
Causes for Rejection:Body fluid


Processing and Shipping

Specimen Processing:Within 2 hours of collection, centrifuge and aliquot 0.5 mL, 0.15 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Stability:After separation from cells: 48 hours at room temperature; 2 weeks refrigerated; 1 year frozen.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:50171


Interpretive

Reference Range:None detected.
Use:In general, immunodiffusion measures IgG and a positive result may suggest past infection. The test is positive in about 90% of sera from patients with aspergilloma and 50-70% of patients with allergic bronchopulmonary aspergillosis. A negative test (none detected) does not exclude aspergillosis. Note: This test uses culture filtrates of Aspergillus fumigatus, Aspergillus flavus, Aspergillus niger, and Aspergillus terreus.


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