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ID:533 Farmers Lung antibodies
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DescriptionDetection of antibodies to Micropolyspora faenii (also known as Saccharopolyspora rectivirgula . and Thermoactinomyces vulgaris in serum to diagnose Farmersí Lung disease using a commercial automated Fluorescent Immuno Enzyme Assay (FEIA performed on the ImmunoCAP 250 analyser).
IndicationThis test is appropriate for the diagnosis of Farmers Lung, or hypersensitivity pneumonitis (HP) caused by inhalation of thermophilic actinomycetes
Additional InfoThis test was previously done by precipitin testing.
Concurrent Testsna
Dietary Requirementsna
InterpretationPositive results with IgG to either M. faeni or T. vulgaris antigens >39.9mg/L is likely to indicate that thermophilic actinomycets are the cause of the patients HP. Levels of IgG to M faeni between 36-39.9mg/L or to T. vulgaris between 22 and 39.9mg/L indicate HP may relate to actinomycete antigen exposure and further testing and/or antigen avoidance may be advised and results will be liaised.

SampleBlood or Serum
TubeSerum Gel Tube
Tube Picture
Collection Conditions
Min. Vol2ml

Ref. Range (Male)M. faeni <36mg/L, T. vulgaris <22mg/L
Ref. Range (Female)M. faeni <36mg/L, T. vulgaris <22mg/L
Ref. Range (Paed)M. faeni <36mg/L, T. vulgaris <22mg/L
Ref. Range Notes
Units - Not Defined -
IP Acute TAT10 days
IP Routine TAT10 days
GP Acute TAT10 days
GP Routine TAT10 days
Turnround Comment95% Turnaround times Results may be available considerably earlier than stated turnaround time.

Originally edited by : Richard Barton. Review due on 07/09/2019 09:22:55. Published By Kasia Okurowska on 07/09/2018 09:22:55.