Quest Diagnostics (DGX) Tax Rate (2009 - 2026)
Quest Diagnostics (DGX) recorded Tax Rate of 21.36% in Q2 2026, down 3.90 percentage points from 25.26% a year earlier and down 0.80 percentage points from the prior quarter.
Quest Diagnostics (DGX) Tax Rate (2009 - 2026) Analysis & Trends
On a TTM basis, Quest Diagnostics' Tax Rate came in at 22.79% as of Jun 30, 2026, down 0.24 percentage points year-over-year; for FY2025, it came in at 23.82%, up 0.59 percentage points from FY2024.
- Annual Tax Rate has increased for three straight years, though with a five-year change of -0.59 percentage points (FY2020 to FY2025).
- Across earlier years, Tax Rate came in at 23.23% in FY2024 (+1.29 pp), 21.95% in FY2023 (+0.57 pp), 21.38% in FY2022 (-1.59 pp) and 22.97% in FY2021 (-1.45 pp).
- The Q2 2026 figure is the lowest quarterly Tax Rate since Q4 2023.
- On a year-over-year basis, Tax Rate rose in five of the last eight quarters, with an average year-over-year change of +0.44 percentage points.
- Peak year-over-year performance for Tax Rate in the last five years was a gain of 20.55 percentage points in Q4 2023, against a drop of 26.38 percentage points in Q4 2022 at the low end.
- Per Business Quant, the preceding three quarters came in at 22.16% (Q1 2026), 24.55% (Q4 2025) and 23.48% (Q3 2025).
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Tax Rate (Qtr) |
|---|---|---|---|---|---|
| 1 | HCA Healthcare | 104.12 Bn | 100.13 Bn | - | 22.61% |
| 2 | Natera | 56.67 Bn | 52.35 Bn | 485.19 Mn | - |
| 3 | Quest Diagnostics | 25.93 Bn | 24.06 Bn | 1.03 Bn | 21.36% |
| 4 | Labcorp Holdings | 25.91 Bn | 23.65 Bn | 1.11 Bn | 22.59% |
| 5 | Tenet Healthcare | 22.88 Bn | 11.89 Bn | - | 22.01% |
| 6 | Guardant Health | 21.61 Bn | 17.68 Bn | 219.03 Mn | - |
| 7 | BrightSpring Health Services | 13.04 Bn | 11.37 Bn | 492.75 Mn | 7.39% |
| 8 | Fresenius Medical Care AG | 12.53 Bn | 4.49 Bn | 1.52 Bn | 23.45% |
| 9 | Encompass Health | 12.51 Bn | 12.17 Bn | - | 20.49% |
| 10 | Tempus AI | 12.37 Bn | 9.40 Bn | 246.50 Mn | 3.51% |
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 21.36% |
| Mar 31, 2026 | 22.16% |
| Dec 31, 2025 | 24.55% |
| Sep 30, 2025 | 23.48% |
| Jun 30, 2025 | 25.26% |
| Mar 31, 2025 | 21.38% |
| Dec 31, 2024 | 22.74% |
| Sep 30, 2024 | 21.96% |
| Jun 30, 2024 | 23.57% |
| Mar 31, 2024 | 24.81% |
| Dec 31, 2023 | 16.88% |
| Sep 30, 2023 | 22.74% |
| Jun 30, 2023 | 23.66% |
| Mar 31, 2023 | 23.47% |
| Sep 30, 2022 | 23.08% |
| Jun 30, 2022 | 23.84% |
| Mar 31, 2022 | 24.34% |
| Dec 31, 2021 | 22.71% |
| Sep 30, 2021 | 23.39% |
| Jun 30, 2021 | 21.66% |
Quest Diagnostics Tax Rate API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=tax-rate&ticker=DGX&period=max&api_key=YOUR_API_KEY
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "tax-rate", "ticker": "DGX", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()
const res = await fetch("https://data.businessquant.com/historic?slug=tax-rate&ticker=DGX&period=max&api_key=YOUR_API_KEY");
const data = await res.json();