Quest Diagnostics Long Term Debt

The latest long-term debt for DGX is $6.2B as of June 2026. That compares with $5.7B in the prior-year period — up 8.5% year over year. Investors often review this figure alongside Quest Diagnostics's historical trend and sector peers before judging valuation or financial health.

Over the past year, DGX's long-term debt moved from $5.7B to $6.2B — a 8.5% year-over-year increase. If the trend continues in the same direction for several quarters, it can signal a meaningful shift in Quest Diagnostics's operating scale or balance-sheet position.

A long-term debt figure of $6.2B for DGX is a snapshot of scale on that line item. On its own it does not say whether the business is healthy — you also want growth rate, margins, and how the number compares with similar companies. Explore the charts below for those layers of context.

After noting DGX's long-term debt ($6.2B), review year-over-year change from $5.7B, peer averages, and a few neighboring metrics such as revenue, margins, or valuation multiples. That combination usually beats staring at a single figure. The navigation links on this page jump you to those related views.

This page's peer comparison chart is the fastest way to stack Quest Diagnostics's long-term debt against similar Healthcare names. You can also browse sector and industry screens on Stockcircle for a broader set of Healthcare companies and their key multiples and fundamentals.