Quest Diagnostics (DGX) Interest Coverage Ratio (2009 - 2026)
Quest Diagnostics' Interest Coverage Ratio was 7.15 in Q3 2026, up 27.8% from 5.59 a year earlier and up 5.9% from the prior quarter.
Quest Diagnostics (DGX) Interest Coverage Ratio (2009 - 2026) Analysis & Trends
On a trailing twelve-month basis, Quest Diagnostics' Interest Coverage Ratio was 6.45 through Sep 30, 2026, up 18.9% year-over-year; for FY2025, it was 5.62, down 5.7% from FY2024.
- Interest Coverage Ratio has now declined for three consecutive years.
- In earlier years, Interest Coverage Ratio was 5.96 in FY2024 (-23.1%), 7.74 in FY2023 (-19.8%) and 9.65 in FY2022.
- The Q3 2026 figure marks the highest quarterly Interest Coverage Ratio since Q2 2024.
- Compared with a year earlier, Interest Coverage Ratio has increased for four straight quarters, with growth averaging 3.0% over the last eight quarters.
- The best year-over-year quarter for Interest Coverage Ratio over five years was Q3 2026 (growth of 27.8%); the worst was Q3 2024 (a decline of 31.8%).
- Per Business Quant data, DGX's Interest Coverage Ratio in the three quarters before Q3 2026 was 6.75 (Q2 2026), 6.14 (Q1 2026) and 5.76 (Q4 2025).
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Interest Cover (Qtr) |
|---|---|---|---|---|---|
| 1 | HCA Healthcare | 98.64 Bn | 98.22 Bn | - | 4.90 |
| 2 | Natera | 54.42 Bn | 50.10 Bn | 485.19 Mn | -85.16 |
| 3 | Labcorp Holdings | 28.77 Bn | 26.87 Bn | 1.11 Bn | 6.80 |
| 4 | Quest Diagnostics | 27.60 Bn | 25.68 Bn | 1.04 Bn | 7.15 |
| 5 | Guardant Health | 22.81 Bn | 18.87 Bn | 219.03 Mn | -95.93 |
| 6 | Tenet Healthcare | 21.39 Bn | 12.88 Bn | - | 8.62 |
| 7 | Tempus AI | 13.75 Bn | 10.78 Bn | 246.50 Mn | -7.38 |
| 8 | Encompass Health | 13.53 Bn | 14.00 Bn | - | 8.98 |
| 9 | BrightSpring Health Services | 13.09 Bn | 11.43 Bn | 492.75 Mn | 3.54 |
| 10 | Fresenius Medical Care AG | 12.64 Bn | 5.70 Bn | 1.52 Bn | 4.78 |
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2026 | 7.15 |
| Jun 30, 2026 | 6.75 |
| Mar 31, 2026 | 6.14 |
| Dec 31, 2025 | 5.76 |
| Sep 30, 2025 | 5.59 |
| Jun 30, 2025 | 6.35 |
| Mar 31, 2025 | 4.81 |
| Dec 31, 2024 | 5.01 |
| Sep 30, 2024 | 5.69 |
| Jun 30, 2024 | 7.55 |
| Mar 31, 2024 | 6.12 |
| Dec 31, 2023 | 5.80 |
| Sep 30, 2023 | 8.34 |
| Dec 31, 2014 | 6.12 |
| Sep 30, 2014 | 6.24 |
| Jun 30, 2014 | 6.24 |
| Mar 31, 2014 | 5.33 |
| Dec 31, 2013 | 6.92 |
| Sep 30, 2013 | 17.23 |
| Jun 30, 2013 | 7.23 |
Quest Diagnostics Interest Coverage Ratio 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=interest-coverage-ratio&ticker=DGX&period=max&api_key=YOUR_API_KEY
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "interest-coverage-ratio", "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=interest-coverage-ratio&ticker=DGX&period=max&api_key=YOUR_API_KEY");
const data = await res.json();