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Quest Diagnostics (DGX) Tax Rate: 2009-2024

Historic Tax Rate for Quest Diagnostics (DGX) over the last 16 years, with Dec 2024 value amounting to 23.23%.

  • Quest Diagnostics' Tax Rate rose 152.00% to 23.48% in Q3 2025 from the same period last year, while for Sep 2025 it was 23.39%, marking a year-over-year increase of 138.00%. This contributed to the annual value of 23.23% for FY2024, which is 129.00% up from last year.
  • Quest Diagnostics' Tax Rate amounted to 23.23% in FY2024, which was up 5.86% from 21.95% recorded in FY2023.
  • Quest Diagnostics' Tax Rate's 5-year high stood at 24.42% during FY2020, with a 5-year trough of 21.38% in FY2022.
  • Over the past 3 years, Quest Diagnostics' median Tax Rate value was 21.95% (recorded in 2023), while the average stood at 22.19%.
  • Per our database at Business Quant, Quest Diagnostics' Tax Rate surged by 146bps in 2020 and then tumbled by 159bps in 2022.
  • Over the past 5 years, Quest Diagnostics' Tax Rate (Yearly) stood at 24.42% in 2020, then plummeted by 145bps to 22.97% in 2021, then slumped by 159bps to 21.38% in 2022, then spiked by 57bps to 21.95% in 2023, then soared by 129bps to 23.23% in 2024.