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-8 (No. 333-190350; No. 333-207703; No. 333-211099; No. 333-212730; No. 333-219553; No. 333-229780; No. 333-232916; No. 333-219553; No. 333-234608; No. 333-251900; and No. 333-266471) and Form S-3 (No. 333-238845) of Exact Sciences Corporation of our report dated February 21, 2023 relating to the financial statements and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.

/s/ PricewaterhouseCoopers LLP

Chicago, Illinois

February 21, 2023

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