---
schema_version: "secwatch.filing_event.v1"
accession: "0001022079-24-000009"
form_type: "8-K"
ticker: "DGX"
cik: "0001022079"
company_name: "QUEST DIAGNOSTICS INC"
filed_at: "2024-02-01T23:59:59+00:00"
generated_at: "2026-06-06T10:32:20.655587+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Quest Diagnostics Q4 2023 adjusted EPS $2.15, +8.6%; base business revenue +4.7%

## Summary
- Q4 reported net revenue $2.29B (-1.9% YoY); base business revenue $2.25B (+4.7%).
- Q4 reported diluted EPS $1.70 (+95.4%); adjusted diluted EPS $2.15 (+8.6%).
- Full year 2023 base business revenue grew 7.1% to $9.03B; COVID testing fell 84.7% to $223M.
- Quarterly dividend raised 5.6% to $0.75; payable April 22, 2024 to record date April 8.
- FY2024 guidance: revenue $9.35-$9.45B; reported EPS $7.69-$7.99; adjusted EPS $8.60-$8.90.

## SEC filing metadata
- accession: 0001022079-24-000009
- form_type: 8-K
- ticker: DGX
- cik: 0001022079
- company_name: QUEST DIAGNOSTICS INC
- filed_at: 2024-02-01T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 2.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1022079/000102207924000009/0001022079-24-000009-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1022079/000102207924000009/dgx-20240201.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001022079-24-000009
- JSON: https://secwatch.observer/filing/0001022079-24-000009.json
- Plain text: https://secwatch.observer/filing/0001022079-24-000009.txt

## Key facts
- Earnings Releases
  QUEST DIAGNOSTICS INC reported quarter and full year ended December 31, 2023 results: revenue Fourth quarter revenues of $2.29 billion, EPS Fourth quarter reported diluted earnings per share ("EPS") of $1.70. Guidance initiated.
  - Period: quarter and full year ended December 31, 2023
  - Revenue: Fourth quarter revenues of $2.29 billion
  - EPS: Fourth quarter reported diluted earnings per share ("EPS") of $1.70
  - Guidance: initiated
  - Result: reported results
  source text: Fourth Quarter and Full Year 2023 Financial Results; Provides Guidance for Full Year 2024; Increases Quarterly Dividend 5.6% to $0.75 Per Share • Fourth quarter revenues of $2.29 billion, down 1.9% from 2022 • Fourth quarter reported diluted earnings per share ("EPS") of $1.70, up 95.4% from 2022; and adjusted diluted EPS of $2.15, up 8.6% from 2022 • Fourth
  evidence_url: https://www.sec.gov/Archives/edgar/data/1022079/000102207924000009/0001022079-24-000009-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.