Ticker League

TTM

14.3%

YoY change

+0.89pp

Trough year (1996)

-37.2%

Peak year (2021)

22.1%

Operating Margin history chart for Quest Diagnostics (DGX) from 1996 to 2025

Latest: 14.5%

Operating Margin change chart for Quest Diagnostics (DGX) from 1996 to 2025

Latest: +0.89pp

Operating Margin history table for Quest Diagnostics (DGX) from 1996 to 2025

  • 202514.5%+0.89pp
  • 202413.6%-0.01pp
  • 202313.6%-0.81pp
  • 202214.4%-7.62pp
  • 202122.1%+1.18pp
  • 202020.9%+4.95pp
  • 201915.9%+1.31pp
  • 201814.6%-0.49pp
  • 201715.1%-1.88pp
  • 201617.0%-1.68pp
  • 201518.7%+5.45pp
  • 201413.2%-7.42pp
  • 201320.6%+4.38pp
  • 201216.3%+3.02pp
  • 201113.2%-4.33pp
  • 201017.6%-0.65pp
  • 200918.2%+1.37pp
  • 200816.9%+0.59pp
  • 200716.3%-1.72pp
  • 200618.0%+0.40pp
  • 200517.6%+0.01pp
  • 200417.6%+0.80pp
  • 200316.8%+2.37pp
  • 200214.4%+3.08pp
  • 200111.3%+2.05pp
  • 20009.3%+2.40pp
  • 19996.9%+0.43pp
  • 19986.5%+1.58pp
  • 19974.9%+42.09pp
  • 1996-37.2%

Operating Margin values are taken from Quest Diagnostics's reported income statements (quarterly 10-Q and annual 10-K filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the filing date. YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.

About Operating Margin at Quest Diagnostics (DGX)

According to Quest Diagnostics's latest reported financial statements, the company's latest reported operating margin is 14.3%. Operating margin is operating income divided by revenue — the share of each sales dollar left after cost of goods sold and operating expenses (SG&A, R&D), but before interest and taxes. It isolates how profitable the core business is before financing and tax decisions, so it is comparable across companies with different capital structures.

Headline figure above is from the reporting period ending (reported ). Chart and table below cover the full reported history back to .

In 2025, Quest Diagnostics (DGX) operating margin totalled 14.53% – expanded 0.9 percentage points year-over-year.

2021 marks the peak operating margin at 22.07%, with the historical low of -37.20% recorded in 1996.

Quest Diagnostics Operating Margin by Year

Quest Diagnostics Operating Margin 2025: 14.5%

In 2025, Quest Diagnostics reported operating margin of 14.53%, expanded 0.9 percentage points from 2024.

Quest Diagnostics Operating Margin 2024: 13.6%

Quest Diagnostics operating margin in 2024 was 13.63%, contracted 0.0 percentage points from 2023.

Quest Diagnostics Operating Margin 2023: 13.6%

2023's operating margin for Quest Diagnostics came in at 13.64%, contracted 0.8 percentage points from 2022.

Quest Diagnostics Operating Margin 2022: 14.4%

Quest Diagnostics posted operating margin of 14.45% in 2022, contracted 7.6 percentage points from 2021.

Quest Diagnostics Operating Margin 2021: 22.1%

Quest Diagnostics operating margin in 2021 was 22.07%.

See more financial history for Quest Diagnostics (DGX).

Sector peers by Operating Margin

Healthcare peers of Quest Diagnostics (DGX), ranked by their latest operating margin

Frequently asked questions