Attached files

file filename
EX-32.2 - EXHIBIT 32.2 - CASTLE BIOSCIENCES INCexhibit322yearend2019.htm
EX-32.1 - EXHIBIT 32.1 - CASTLE BIOSCIENCES INCexhibit321yearend2019.htm
EX-31.2 - EXHIBIT 31.2 - CASTLE BIOSCIENCES INCexhibit312yearend2019.htm
EX-31.1 - EXHIBIT 31.1 - CASTLE BIOSCIENCES INCexhibit311yearend2019.htm
EX-10.15 - EXHIBIT 10.15 - CASTLE BIOSCIENCES INCexhibit1015phoenixleaseame.htm
EX-4.1 - EXHIBIT 4.1 - CASTLE BIOSCIENCES INCexhibit41descriptionofsecu.htm
10-K - 10-K - CASTLE BIOSCIENCES INCa1231201910-k.htm
Exhibit 23.1

Consent of Independent Registered Public Accounting Firm
The Board of Directors
Castle Biosciences, Inc.:
We consent to the incorporation by reference in the registration statement (No. 333-232884) on Form S-8 of Castle Biosciences, Inc. of our report dated March 10, 2020, with respect to the balance sheets of Castle Biosciences, Inc. as of December 31, 2019 and 2018, the related statements of operations and comprehensive income (loss), convertible preferred stock and stockholders’ equity (deficit), and cash flows for each of the years in the two-year period ended December 31, 2019, and the related notes, which report appears in the December 31, 2019 annual report on Form 10-K of Castle Biosciences, Inc.
/s/ KPMG LLP
San Diego, California
March 10, 2020