Although osteoporosis is sometimes diagnosed incidentally after an X-ray has been taken for a fracture or an illness, the usefulness of an X-ray is limited for early screening of osteoporosis.

However, FMD is often diagnosed incidentally in the absence of any signs or symptoms during an imaging study.

Alternatively, it can also present in a chronic form that remains asymptomatic and is diagnosed incidentally.

In a few cases, cancer is diagnosed incidentally as a result of evaluating or treating other medical conditions.

Air trapping is often incidentally diagnosed on computed tomography (CT) scanning.

Because many types of leukemia show no obvious symptoms early on, the disease may be diagnosed incidentally during a physical exam or as a result of routine blood tests.

The incidence of spina bifida occulta is approximately 10% of the population, and most people are diagnosed incidentally from spinal X-rays.

EA is usually diagnosed incidentally on CT scan which is performed to exclude more serious conditions.