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Labcorp Oklahoma, Inc.
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Micropolyspora faeni, IgG Antibodies

Order Name MPSF
Revision Date 10/21/2019
Test Name Methodology LOINC Code
Micropolyspora faeni, IgG Antibodies
 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 0.5 mL (0.3 mL) Serum Red Top Refrigerated
Alternate 1 0.5 mL (0.3 mL) Serum Serum Gel Tube Refrigerated
Instructions Label specimen with Mobilab label or with patient name (first and last), date of birth, date and time of collection, collector initials, and test(s) being ordered.
Reference Range Reference Values 
0-12 years: < or =4.9 mg/L
13-18 years: < or =9.1 mg/L
>18 years: < or =13.2 mg/L

Interpretation 
Elevated concentrations of IgG antibodies to Micropolyspora faeni, Thermoactinomyces vulgaris, or Aspergillus fumigatus in patients with signs and symptoms of hypersensitivity pneumonitis may be consistent with disease caused by exposure to 1 or more of these organic antigens.
Methodology Fluorescence Enzyme Immunoassay (FEIA)
GENERAL INFORMATION
Testing Schedule Monday through Friday; 4 p.m. 
Expected TAT 2 Days  
Notes Specimen Stability:
Refrigerated (preferred) - 21 Days
Frozen - 21 Days
CPT Code(s) 86609
Lab Section NRLS-Mayo Medical Laboratories