Precipitins - serum

Last updated: Thursday, 25, March, 2004

MBS Online Search Page: Click here for details

Item Process
Specimen

10 mL blood in plain tube.

Method

Gel diffusion.

Immunoassay.

Precipitins detected include avian, fungal, thermophilic actinomycetes.

Reference Interval

Method dependent.

Application

Investigation of hypersensitivity pneumonitis.

Interpretation

Precipitating antibodies indicate exposure, and may be found in asymptomatic individuals.

In association with appropriate symptoms, the presence of antibodies supports the diagnosis of hypersensitivity pneumonitis due to the specific agent.

See also Aspergillus precipitins within Aspergillosis.

Reference

Parker AM et al. Clin N Amer 1992; 12: 280-284.