Company: CSTL
Filing Date: 2025-11-03
Form Type: 10-Q
Source: 0001628280-25-048254
Chunk: 18

Company: CASTLE BIOSCIENCES INC
Filing Date: 2025-11-03
Form: 10-Q
Item: Item 1
Chunk 18
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 disaggregation of revenue by type (in thousands):Three Months EndedSeptember 30,Nine Months EndedSeptember 30,2025202420252024Dermatologic(1)$48,523 $65,060 $167,782 $193,223 Non-Dermatologic(2)34,520 20,722 89,437 52,535 Total net revenues$83,043 $85,782 $257,219 $245,758 (1)Consists of DecisionDx-Melanoma, DecisionDx-SCC and our Diagnostic Gene Expression Profile offering.(2)Consists of TissueCypher, DecisionDx-UM and IDgenetix. We have presented disaggregated net revenues included in our single reportable segment in the table above. The characteristics for each test in our single segment are similar, with each test having a single performance obligation. Our CODM is the single individual responsible for managing our segment and reviews consolidated results and budgets in assessing performance and in allocating resources. See Note 15 for additional information about our reportable segment.Payor ConcentrationWe rely upon reimbursements from third-party government payors (primarily Medicare) and private-payor insurance companies to collect accounts receivable related to sales of our tests.

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Table of ContentsCASTLE BIOSCIENCES, INC.NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)(UNAUDITED)

Our significant third-party payors and their related revenues as a percentage of total revenues and accounts receivable balances were as follows: Percentage of RevenuesPercentage of Accounts Receivable (current) as ofPercentage of Accounts Receivable (noncurrent) as of Nine Months EndedSeptember 30, 20252024September 30, 2025December 31, 2024September 30, 2025December 31, 2024Medicare45 %47 %18 %18 %**Payor A16 %15 %15 %19 %16 %15 %Payor B**26 %20 %10 %12 %*    Less than 10%There were no other third-party payors that individually accounted for more than 10% of our total revenue or accounts receivable for the periods shown in the table above.

4. (Loss) Earnings Per Share

Basic (loss) earnings per share is computed by dividing net (