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Quest Diagnostics DGX Business Segments

TTM Q1 '26TTM Q4 '25TTM Q3 '25TTM Q2 '25TTM Q1 '25
Net revenues by Business
All other operating segments$250M-1.2%$250M-3.1%$251M-3.5%$251M-5.6%$253M-7.0%
DIS business$11.03B+11.3%$10.79B+12.2%$10.6B+14.2%$10.27B+13.1%$9.91B+9.9%

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Questions, answered.

How does Quest Diagnostics break its business down?
Quest Diagnostics (DGX) reports net revenues by business across 2 parts — All other operating segments and DIS business. Each is extracted from the segment footnotes and tracked over time.
Where does Quest Diagnostics's segment data come from?
Segment breakdowns are pulled from the segment footnotes in Quest Diagnostics's SEC filings (the XBRL dimensional tags), so every line ties back to a reported figure. Switch between quarterly, annual, and TTM, or open any segment for its full history.