What is Histoplasma Galactomannan?
Histoplasma capsulatum is a pathogenic dimorphic fungus of worldwide distribution endemic to the Ohio and Mississippi river valleys in the United States and to certain regions of Central and South Americas.
What is a Histoplasma antigen?
The OIDx Histoplasma Urinary Antigen EIA is an enzyme immunoassay (EIA) intended to qualitatively detect the presence of Histoplasma capsulatum galactomannan antigen in human urine specimens. This kit, when used in conjunction with other diagnostic measures, can be used as an aid in the diagnosis of histoplasmosis.
What is a Histoplasma test?
The histoplasma skin test is used to check if you have been exposed to a fungus called Histoplasma capsulatum. The fungus causes an infection called histoplasmosis.
What kind of test is Histoplasma galactomannan antigen EIA?
Histoplasma Galactomannan Antigen EIA, Urine TEST: 183560 CPT: 87385
What kind of test is used to test for Histoplasma?
Recommend testing in conjunction with Histoplasma Antibodies by CF & ID ( 0050627) and Histoplasma Antigen Quantitative by EIA, Serum ( 0092522 ). Unique test identifier. Process (es) used to perform the test.
What is the specificity of the Aspergillus galactomannan assay?
Specimens containing Histoplasma antigen may cross-react in the Aspergillus galactomannan assay. In clinical studies submitted for the FDA-approval process, the sensitivity of the test was reported to be 81% for proven/provable invasive aspergillosis (N=31 patients), and the specificity was 89% (N=148 patients).
What are false positive results for galactomannan antigen?
Galactomannan antigen levels may be useful in the assessment of therapeutic response. Antigen levels decline in response to antimicrobial therapy. False-positive results are reported to occur at rates of 8% to 14% with this assay.