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Income Taxes
 9 Months Ended
Sep. 30, 2025
Income Tax Disclosure [Abstract]  
Income Taxes Income Taxes
On July 4, 2025, the One Big Beautiful Bill Act (“OBBBA”) was enacted into law. The legislation includes a number of significant changes to U.S. federal tax law that affect both current and deferred income taxes. Key provisions of the OBBBA include, among other items, changes to certain business deductions, modifications to bonus depreciation rules, and revisions to the treatment of R&D expenditures. As a result of enactment, changes in current taxes are reflected through the revised average effective tax rate, and deferred taxes, including valuation allowance effects, have been recorded as a discrete item in the period. The OBBBA did not have a material impact on our condensed consolidated statement of operations for the three and nine months ended September 30, 2025.
Our effective income tax rate was (29.8)% and 18.6% for the three and nine months ended September 30, 2025, respectively. The effective rate for the three and nine months ended September 30, 2025 differed from our federal statutory rate of 21% primarily due to the tax impact from the valuation allowance for current year activity including the acquisition of Capsulomics, state income taxes and the non-deductibility of other permanent items.
Our effective income tax rate was 72.6% and 36.7% for the three and nine months ended September 30, 2024, respectively. For the three months ended September 30, 2024, differences in our effective rate and the federal statutory rate of 21% was due to revisions in estimated pre-tax income, reflecting uncertainty in continued Medicare coverage for our DecisionDx-SCC test and updated information, as well as stock-based compensation, permanent differences, changes in valuation allowance, R&D tax credit and state income taxes. For the nine months ended September 30, 2024, differences in our effective rate and the federal statutory rate of 21% was due to stock-based compensation, permanent differences, changes in valuation allowance, R&D tax credit and state income taxes.