Fungal Diseases

Diagnosis and Testing for Histoplasmosis

Histoplasmosis is often diagnosed with a blood test or a urine test.

How is histoplasmosis diagnosed?

Healthcare providers rely on your medical and travel history, symptoms, physical examinations, and laboratory tests to diagnose histoplasmosis. The most common way that healthcare providers test for histoplasmosis is by taking a blood sample or a urine sample and sending it to a laboratory.

Healthcare providers may do imaging tests such as chest x-rays or CT scans of your lungs. They may also collect a sample of fluid from your respiratory tract or perform a tissue biopsy, in which a small sample of affected tissue is taken from the body and examined under a microscope. Laboratories may also see if Histoplasma will grow from body fluids or tissues (this is called a culture).

Where can I get tested for histoplasmosis?

Most healthcare providers can order a test for histoplasmosis.

How long will it take to get my test results?

It depends on the type of test. Results from a blood test or a urine test will usually be available in a few days. If your healthcare provider sends a sample to a laboratory to be cultured, the results could take a couple of weeks.