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REVENUE
 3 Months Ended
Mar. 31, 2026
Revenue from Contract with Customer [Abstract]  
REVENUE REVENUE
The Company primarily generates revenue by performing molecular diagnostic testing, primarily derived from the following categories of products: Cancer Care Continuum (MyRisk, BRACAnalysis CDx, MyChoice CDx, Prolaris, Precise Tumor, and Precise MRD), Prenatal Health (Foresight, Prequel, FirstGene and SneakPeek), and Mental Health (GeneSight). Revenue is recorded at the estimated transaction price. Control is transferred and revenue is recognized once test results are released to the healthcare provider and/or patient.
During the current period, the Company updated the presentation of its product categories. Certain products previously presented within separate Hereditary Cancer and Tumor Profiling categories are now collectively reported within the Cancer Care Continuum category.
The following table presents details regarding the composition of the Company’s total revenue by product type and by geographical region, either U.S. or rest of world (“RoW”):
Three months ended March 31,
20262025
(in millions)U.S.RoWTotalU.S.RoWTotal
Cancer Care Continuum$106.8 $13.4 $120.2 $101.4 $14.2 $115.6 
Prenatal Health41.9 — 41.9 49.2 0.1 49.3 
Mental Health38.3 — 38.3 31.0 — 31.0 
Total revenue$187.0 $13.4 $200.4 $181.6 $14.3 $195.9 
In determining the transaction price, the Company includes an estimate of the expected amount of consideration to be received. The estimate of revenue is affected by, among other factors, assumptions for changes in payor mix, payor collections, current customer contractual requirements, experience with collections from third-party payors, and changes in medical policies. When assessing the total consideration for insurance carriers and patients, revenue is further constrained for estimated refunds. The Company reserves certain amounts in Accrued liabilities in the Condensed Consolidated Balance Sheets in anticipation of requests for refunds of payments made previously by insurance carriers, which are accounted for as reductions in Revenue in the Condensed Consolidated Statements of Operations and Comprehensive Income (Loss).
Cash collections for certain tests delivered may differ from rates estimated due to changes in the estimated transaction price for contractual adjustments, obtaining updated information from payors and patients that was unknown at the time the performance obligation was met, settlements with third-party payors, or as a result of third-party payors disputing bills or denying payment for tests that the Company has performed, among other reasons. As a result of this new information, the Company updates its estimate of the amounts to be recognized for previously delivered tests. During the three months ended March 31, 2026 and 2025, the impact of the amounts to be recognized for tests in which the performance obligation was met in a prior period was not material to the Condensed Consolidated Statements of Operations.