According to Quest Diagnostics 's latest financial reports the company's current revenue (TTM ) is ยฃ7.55 Billion. In 2023 the company made a revenue of ยฃ7.26 Billion a decrease over the revenue in the year 2022 that were of ยฃ8.16 Billion. The revenue is the total amount of income that a company generates by the sale of goods or services. Unlike with the earnings no expenses are subtracted.