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Disclosure - Balance Sheet Components (Components of Property and Equipment, Net) (Details)link:presentationLinklink:calculationLinklink:definitionLink40605 - Disclosure - Balance Sheet Components (Definite-lived Intangible Assets from Business Acquisitions) (Details)link:presentationLinklink:calculationLinklink:definitionLink40606 - Disclosure - Balance Sheet Components (Estimated Future Amortization Expense Of Acquisition-Related Intangible Assets With Definite Lives) (Details)link:presentationLinklink:calculationLinklink:definitionLink40607 - Disclosure - Balance Sheet Components (Accrued Expenses) (Details)link:presentationLinklink:calculationLinklink:definitionLink40609 - Disclosure - Balance Sheet Components (Future Principal Payments , Fiscal Year Maturity) (Details)link:presentationLinklink:calculationLinklink:definitionLink40611 - Disclosure - Balance Sheet Components (Other Liabilities, Current) (Details)link:presentationLinklink:calculationLinklink:definitionLink40702 - Disclosure - Convertible Senior Notes (Net Carrying Amount) (Details)link:presentationLinklink:calculationLinklink:definitionLink40703 - Disclosure - Convertible Senior Notes (Interest Expense) (Details)link:presentationLinklink:calculationLinklink:definitionLink40802 - Disclosure - Commitments and Contingencies (Schedule of Amount, Timing and Uncertainty of Cash Flows from Operating Leases) (Details)link:presentationLinklink:calculationLinklink:definitionLink40902 - Disclosure - Income Taxes (Reconciliation of Federal Income Tax Rate) (Details)link:presentationLinklink:calculationLinklink:definitionLink40903 - Disclosure - Income Taxes (Reconciliation of Deferred Tax Assets and Liabilities) (Details)link:presentationLinklink:calculationLinklink:definitionLink41101 - Disclosure - Net Loss Per Share (Computation of Basic and Diluted Net (Loss) Income Per Share) (Details)link:presentationLinklink:calculationLinklink:definitionLink00090 - Document - Document And Entity Informationlink:presentationLinklink:calculationLinklink:definitionLink00105 - Statement - Consolidated Balance Sheets (Parenthetical)link:presentationLinklink:calculationLinklink:definitionLink00400 - Statement - Consolidated Statements of Stockholders’ Equitylink:presentationLinklink:calculationLinklink:definitionLink10101 - Disclosure - Organization and Significant Accounting Policieslink:presentationLinklink:calculationLinklink:definitionLink10301 - Disclosure - Invitae Collaborationlink:presentationLinklink:calculationLinklink:definitionLink10401 - Disclosure - Termination of Merger with Illuminalink:presentationLinklink:calculationLinklink:definitionLink10501 - Disclosure - Financial Instrumentslink:presentationLinklink:calculationLinklink:definitionLink10601 - Disclosure - Balance Sheet Componentslink:presentationLinklink:calculationLinklink:definitionLink10701 - Disclosure - Convertible Senior Noteslink:presentationLinklink:calculationLinklink:definitionLink10801 - Disclosure - Commitments and Contingencieslink:presentationLinklink:calculationLinklink:definitionLink10901 - Disclosure - Income Taxeslink:presentationLinklink:calculationLinklink:definitionLink11002 - Disclosure - Stockholders' Equitylink:presentationLinklink:calculationLinklink:definitionLink11101 - Disclosure - Net (Loss) Income Per Sharelink:presentationLinklink:calculationLinklink:definitionLink11201 - Disclosure - Segment And Geographic Informationlink:presentationLinklink:calculationLinklink:definitionLink11301 - Disclosure - Subsequent Eventslink:presentationLinklink:calculationLinklink:definitionLink20102 - Disclosure - Organization and Significant Accounting Policies (Policy)link:presentationLinklink:calculationLinklink:definitionLink30203 - Disclosure - Business Acquisition (Tables)link:presentationLinklink:calculationLinklink:definitionLink30503 - Disclosure - Financial Instruments (Tables)link:presentationLinklink:calculationLinklink:definitionLink30603 - Disclosure - Balance Sheet Components (Tables)link:presentationLinklink:calculationLinklink:definitionLink30703 - Disclosure - Convertible Senior Notes (Tables)link:presentationLinklink:calculationLinklink:definitionLink30803 - Disclosure - Commitments and Contingencies (Tables)link:presentationLinklink:calculationLinklink:definitionLink30903 - Disclosure - Income Taxes (Tables)link:presentationLinklink:calculationLinklink:definitionLink31003 - Disclosure - Stockholders' Equity (Tables)link:presentationLinklink:calculationLinklink:definitionLink31103 - Disclosure - Net (Loss) Income Per Share (Tables)link:presentationLinklink:calculationLinklink:definitionLink31203 - Disclosure - Segment And Geographic Information (Tables)link:presentationLinklink:calculationLinklink:definitionLink40101 - Disclosure - Organization and Significant Accounting Policies (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink40201 - Disclosure - Business Acquisitions (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink40202 - Disclosure - Business Acquisitions (Schedule by Acquisitions) (Details)link:presentationLinklink:calculationLinklink:definitionLink40301 - Disclosure - Invitae Collaboration Arrangement (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink40401 - Disclosure - Termination of Merger with Illumina (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink40501 - Disclosure - Financial Instruments (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink40503 - Disclosure - Financial Instruments (Changes In Estimated Fair Value Of Contingent Consideration) (Details)link:presentationLinklink:calculationLinklink:definitionLink40601 - Disclosure - Balance Sheet Components (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink40608 - Disclosure - Balance Sheet Components (Changes in Reserve for Product Warranties) (Details)link:presentationLinklink:calculationLinklink:definitionLink40701 - Disclosure - Convertible Senior Notes (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink40801 - Disclosure - Commitments and Contingencies (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink40901 - Disclosure - Income Taxes (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink40904 - Disclosure - Income Taxes (Reconciliation of Unrecognized Tax Benefit Accounts) (Details)link:presentationLinklink:calculationLinklink:definitionLink41001 - Disclosure - Stockholders' Equity (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink41002 - Disclosure - Stockholders' Equity (Summary of Stock Option Activity) (Details)link:presentationLinklink:calculationLinklink:definitionLink41003 - Disclosure - Stockholders' Equity (Summary of Time-Based RSUs Activity) (Details)link:presentationLinklink:calculationLinklink:definitionLink41004 - Disclosure - Stockholders' Equity (Schedule of Stock-Based Compensation Expense) (Details)link:presentationLinklink:calculationLinklink:definitionLink41005 - Disclosure - Stockholders' Equity (Schedule of Fair Value of Employee Stock Options) (Details)link:presentationLinklink:calculationLinklink:definitionLink41006 - Disclosure - Stockholders' Equity (Schedule of Fair Value of Employee Stock Purchase Plan) (Details)link:presentationLinklink:calculationLinklink:definitionLink41102 - Disclosure - Net Loss Per Share (Antidilutive Shares Excluded From Computation Of Diluted Net Loss Per Share) (Details)link:presentationLinklink:calculationLinklink:definitionLink41201 - Disclosure - Segment And Geographic Information (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink41202 - Disclosure - Segment And Geographic Information (Schedule of Revenue by Geographic Location) (Details)link:presentationLinklink:calculationLinklink:definitionLink41203 - Disclosure - Segment And Geographic Information (Summary of Revenue by Category) (Details)link:presentationLinklink:calculationLinklink:definitionLink41301 - Disclosure - Subsequent Events (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink10201 - Disclosure - Business Acquisitionslink:presentationLinklink:calculationLinklink:definitionLink