EX-23.1 4 dgx12312018ex231.htm EXHIBIT 23.1
Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent to the incorporation by reference in the Registration Statements on Form S-3 (No. 333-211336) and Form S-8 (Nos. 333-184580, 333-182863, 333-143889, 333-136196, 333-60758, 333-60477, 333-157447, 333-162710, 333-162711, 333-207746, 333-214215 and 333-221076) of Quest Diagnostics Incorporated of our report dated February 21, 2019 relating to the financial statements, financial statement schedule and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.

By | /s/ PricewaterhouseCoopers LLP
| PricewaterhouseCoopers LLP
| Florham Park, New Jersey
| February 21, 2019