• Quest Diagnostics average ebitda margin for 2023 was 17.43%, a 21.91% increase from 2022.
• Quest Diagnostics average ebitda margin for 2022 was 22.32%, a 17.91% decline from 2021.
• Quest Diagnostics average ebitda margin for 2021 was 27.19%, a 26.11% decline from 2020.

Ebitda margin can be defined as earnings before interest, taxes, depreciation and amortization as a portion of total revenue.