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Part of: Companion Diagnostics Market (Global)

The US Companion Diagnostics Market was valued at $2381.4 Million in 2026 and projected to reach to $3484.5 Million by 2031, representing a compound annual growth rate of 13.2%. The US companion diagnostics market is positioned for sustained expansion through 2031, driven by the healthcare system's strategic shift toward precision medicine and targeted therapies.

US Companion Diagnostics Market (2026-2031) : Size and Share
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Market Size in USD 26.32 MN
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US Companion Diagnostics Market Trends and Insights

  • The US market is driven by increasing adoption of precision medicine, rising prevalence of cancer and genetic disorders, and growing investment in personalized healthcare solutions.
  • The US healthcare system's emphasis on targeted therapies and biomarker-driven treatment decisions continues to accelerate companion diagnostic adoption across oncology, cardiology, and rare disease segments. In the US, regulatory support from the FDA and reimbursement policies favoring companion diagnostics are key catalysts for market expansion through 2031.
  • The US market benefits from advanced laboratory infrastructure, high healthcare spending, and strong pharmaceutical-diagnostic partnerships.
  • As US healthcare providers increasingly integrate genomic testing into clinical workflows, companion diagnostics are becoming essential tools for treatment selection and patient stratification, positioning the US as a leading market globally..

Key Market Statistics

  • CAGR (2026-2031) 13.2% CAGR
  • Market Size, 2026 ~USD 2381.4 Million
  • Forecast, 2031 ~USD 3484.5 Million
  • Country US

US Companion Diagnostics Market Overview

Market Valuation Growth :

The US companion diagnostics market is valued at $2,381.4 million in 2026 and is projected to reach $3,484.5 million by 2031, representing a robust 13.2% CAGR over the forecast period.

Precision Medicine Adoption :

US healthcare providers are increasingly adopting precision medicine approaches, with companion diagnostics playing a critical role in enabling targeted therapeutic interventions and improving patient outcomes across oncology and genetic disorder management.

Cancer and Genetic Disorder Prevalence :

Rising incidence of cancer and genetic disorders in the US population is driving demand for companion diagnostic tests that enable early detection, risk stratification, and personalized treatment selection for improved clinical efficacy.

Healthcare Investment Momentum :

Significant investment in personalized healthcare solutions and biotech innovation across the US is accelerating companion diagnostics development, regulatory approvals, and market penetration among healthcare systems and diagnostic laboratories.

US Companion Diagnostics Market Dynamics

  • Increasing cancer prevalence, coupled with growing awareness of genetic predisposition testing, creates substantial demand for diagnostic solutions that guide treatment decisions.
  • Regulatory support from the FDA and reimbursement improvements further strengthen market dynamics.
  • Pharmaceutical companies' investment in companion diagnostic co-development with therapeutics ensures continued market growth and integration into clinical workflows across major US healthcare institutions..

Related Ecosystem

In Vitro Diagnostics

Top Technologies
  • Polymerase Chain Reaction (PCR)
  • Enzyme-Linked Immunosorbent Assay (ELISA)
  • Dna Microarrays
  • Assay Kits
  • Microarrays
Top Companies
  • ROCHE HOLDINGS AG
  • Thermo Fisher Scientific Inc.
  • Danaher Corporation
  • Abbott Laboratories
  • Biomerieux s.a.

    Medical Devices

    Top Technologies
    • Polymerase Chain Reaction (PCR)
    • Magnetic Resonance Imaging (MRI)
    • Disposable Autoinjectors
    • Pulse Oximeters
    • Blood Pressure Monitors
    Top Companies
    • Medtronic plc
    • Abbott Laboratories
    • Stryker Corporation
    • Becton, Dickinson and Company
    • JOHNSON & JOHNSON

      Key Takeaways

      • The US companion diagnostics market will grow from $2,381.4M (2026) to $3,484.5M (2031) at a 13.2% CAGR.
      • The US market is driven by precision medicine adoption, FDA regulatory support, and favorable reimbursement policies.
      • The US oncology segment leads adoption, with companion diagnostics enabling targeted cancer therapies and improved patient outcomes.
      • The US pharmaceutical-diagnostic partnerships and advanced laboratory infrastructure position the country as a global market leader.

      Companion Diagnostics Market Report Scope

      Report Metric Details
      Base Year 2026
      Fastest Growing Segment NEXT-GENERATION SEQUENCING (Technology)
      Forecast Period 2026–2031
      Growth Rate CAGR of 12.9% from 2026 to 2031
      Largest Segment CANCER (Indication)
      Market Size Base Year (Billions) ~USD 6.31 (2026)
      Revenue Forecast (Billions) ~USD 11.57 (2031)
      Segments Covered Product & Service, Technology, Indication, Type, Sample Type, End User

      US Companion Diagnostics Market Report Segmentation

      6 segment dimensions are covered across the global market.

      By Product & Service

      • Assays, Kits, And Reagents
      • Instruments & Systems
      • Software & Services

      By Technology

      • Immunohistochemistry
      • In Situ Hybridization
      • Next-Generation Sequencing
      • Other Technologies
      • Polymerase Chain Reaction

      By Indication

      • Cancer
      • Cardiovascular Diseases
      • Infectious Diseases
      • Neurological Diseases
      • Other Indications

      By Type

      • Blood Cancer
      • Breast Cancer
      • Colorectal Cancer
      • Lung Cancer
      • Other Cancer Types
      • Other Cancers

      By Sample Type

      • Blood Samples
      • Other Sample Types
      • Tissue Samples

      By End User

      • Contract Research Organizations
      • Other End Users
      • Pharmaceutical & Biopharmaceutical Companies
      • Pharmaceutical & Biotechnology Companies
      • Reference Laboratories

      Target Audience

      • Diagnostic Laboratory Operators : Need US market insights to expand companion diagnostic test portfolios, optimize laboratory operations, and capitalize on growing demand for precision medicine testing across American healthcare networks.
      • Pharmaceutical & Biotech Companies : Require detailed US market data to guide companion diagnostic co-development strategies, support FDA submissions, and ensure successful market launch and adoption of targeted therapeutics.
      • Healthcare System Administrators : Seek market intelligence to inform procurement decisions, budget allocation for precision medicine initiatives, and integration of companion diagnostics into clinical pathways and treatment protocols.
      • Investment & Private Equity Firms : Need comprehensive US market analysis to evaluate investment opportunities in companion diagnostics companies, assess growth potential, and identify acquisition targets within the American precision medicine landscape.
      • Medical Device & IVD Manufacturers : Require US-specific market data to develop competitive diagnostic platforms, understand reimbursement dynamics, and position products effectively within the growing American companion diagnostics market.

      Key Companies in the US Companion Diagnostics Market

      CompanyHQOwnershipStrongest segments
      CLARITY PHARMACEUTICALSAustraliaPublic CompanySAR-bisPSMA theranostic platform,SAR-Bombesin pan-cancer theranostics,SARTATE (SSTR2-targeted theranostics),
      FOUNDATION MEDICINEUnited StatesPrivate CompanyFoundationOne CDx (tissue-based solid tumor CGP),FoundationOne Liquid CDx (blood-based solid tumor CGP),Hematologic malignancy / sarcoma / other LDTs,
      GEUnited StatesPublic CompanyCommercial Engines & Services,Defense & Propulsion Technologies,
      GENOMIC HEALTH INCUnited StatesPrivate CompanyOncotype DX Breast Recurrence Score and related breast assays,Oncotype DX Colon and prostate cancer assays,Other genomic and emerging epigenomic decision-support services,
      MEDICAL & BIOLOGICAL LABORATORIES CO.JapanPrivate CompanyAllergy in vitro diagnostics,Autoimmune and skin disease diagnostics,COVID-19 and respiratory diagnostics,
      ROSETTA GENOMICSIsraelPublic CompanymicroRNA-based oncology tests (RosettaGX Cancer Origin, mi-KIDNEY, RosettaGX Reveal, mi-LUNG),FISH-based assays (UroVysion, ERG/PTEN, ALK/ROS1),PCR gene mutation analysis (bladder, lung, colon, melanoma),
      TOSOH CORPORATIONJapanPublic CompanyBasic chemicals and chlor-alkali (caustic soda, sodium bicarbonate, related),Vinyls and petrochemicals (VCM, ethylene, propylene, aromatics, EDC),Polymers and synthetic rubbers (EVA, PE, functional polymers, PVC pastes),
      DIASORINItalyPublic CompanyImmunodiagnostics (LIAISON XL / LIAISON XS),Molecular diagnostics (Simplexa, LIAISON PLEX assays),xMAP technology and other IVD solutions,
      GE HEALTHCAREUnited StatesPublic CompanyImaging,Advanced Visualization Solutions (AVS),Patient Care Solutions (PCS),
      AGILENT TECHNOLOGIES, INC.United StatesPublic CompanyLife Sciences and Diagnostics Markets,Agilent CrossLab,Applied Markets,
      QIAGENNetherlandsPublic CompanySample technology consumables and instruments,Immune response and infectious disease diagnostics,Oncology and sexual & reproductive health assays,
      THERMO FISHER SCIENTIFIC INC.United StatesPublic CompanyLife Sciences Solutions,Analytical Instruments,Specialty Diagnostics,
      ABBOTTUnited StatesPublic CompanyDiagnostic Products (lab, transfusion, molecular, point-of-care, rapid tests),Medical Devices (cardiovascular, diabetes care, neuromodulation, vascular, structural heart),Nutritional Products (pediatric, adult, infant formula),
      DANAHERUnited StatesPublic CompanyBiotechnology (Bioprocessing & Single-Use),Life Sciences Tools & Genomics,Diagnostics,
      GUARDANT HEALTHUnited StatesPublic CompanyGuardant360 portfolio (CDx, Liquid, Tissue),Shield colorectal cancer screening,Minimal residual disease and recurrence (Guardant Reveal),
      ILLUMINA, INC.United StatesPublic CompanySequencing instruments,Sequencing consumables (reagents, flow cells, library prep),Array-based instruments and consumables,
      BIOMéRIEUXFrancePublic CompanyBIOFIRE & SPOTFIRE multiplex/lowplex PCR,VITEK (2, MS, REVEAL) ID/AST systems,BACT/ALERT VIRTUO & blood culture,
      ICON PLCIrelandPublic CompanyFull-service clinical development (Phase I–IV, peri/post-approval),Functional service partnerships & contract staffing,Laboratory, bioanalytical, biomarker, and vaccine testing,
      MYRIAD GENETICS, INC.United StatesPublic CompanyHereditary and oncology diagnostics (MyRisk, BRACAnalysis CDx, MyChoice CDx, Prolaris, EndoPredict, Precise Tumor),Women’s health and reproductive genetics (Prequel, Foresight, SneakPeek, FirstGene),Pharmacogenomics and mental health (GeneSight Psychotropic),
      SYSMEX CORPORATIONJapanPublic CompanyHematology analyzers and reagents (XN-Series, XN-V, ProCyte Dx and related),Coagulation diagnostics,Blood gas, electrolyte, and urinalysis systems,
      ABNOVA CORPORATIONTaiwanPublic CompanyAntibodies (mono/polyclonal, recombinant, circulating rare cell),Proteins/Peptides, Lysates/Slides, Beads/Dyes, Ab Arrays,Medical Diagnostic Instruments, Systems, and Automation,

      CLARITY PHARMACEUTICALS

      Clarity Pharmaceuticals is an Australian public company founded in 2010 that employs 88 people. The company operates in the pharmaceutical sector.

      FOUNDATION MEDICINE

      Foundation Medicine is a United States-based private company established in 2009 with 662 employees. The company operates in the pharmaceutical and biotechnology industry.

      GE

      GE is a United States public company founded in 1892 with 57,000 employees. The company is a diversified conglomerate operating across multiple industrial sectors.

      GENOMIC HEALTH INC

      Genomic Health Inc. is a United States-based private company founded in 2000 with 829 employees. The company operates in the genomics and biotechnology sector.

      MEDICAL & BIOLOGICAL LABORATORIES CO.

      Medical & Biological Laboratories Co. is a Japan-based private company founded in 1969 with 408 employees. The company operates in the medical and biological laboratory sector.

      ROSETTA GENOMICS

      Rosetta Genomics is an Israel-based public company established in 2000 with 86 employees. The company operates in the genomics and molecular diagnostics sector.

      TOSOH CORPORATION

      Tosoh Corporation is a Japan-based public company founded in 1935 with 14,850 employees. The company operates across multiple sectors including chemicals, pharmaceuticals, and diagnostics.

      DIASORIN

      DiaSorin is an Italy-based public company founded in 1968 with 3,242 employees. The company operates in the in vitro diagnostics sector.

      GE HEALTHCARE

      GE Healthcare is a United States-based public company founded in 2022 with 54,000 employees. The company operates in the healthcare technology and diagnostics industry.

      AGILENT TECHNOLOGIES, INC.

      Agilent Technologies, Inc. is a United States-based public company founded in 1999 with 18,000 employees. The company operates in life sciences, diagnostics, and applied chemical markets.

      QIAGEN

      QIAGEN is a Netherlands-based public company founded in 1984 with 5,500 employees. The company operates in molecular diagnostics and life sciences research.

      THERMO FISHER SCIENTIFIC INC.

      Thermo Fisher Scientific Inc. is a United States-based public company founded in 1956 with 125,000 employees. The company is a global leader in serving science with laboratory equipment, reagents, and software.

      ABBOTT

      Abbott is a United States-based public company founded in 1888 with 115,000 employees. The company operates in diagnostics, medical devices, pharmaceuticals, and nutrition.

      DANAHER

      Danaher is a United States-based public company founded in 1969 with 59,000 employees. The company operates across life sciences, diagnostics, environmental, and applied solutions sectors.

      GUARDANT HEALTH

      Guardant Health is a United States-based public company founded in 2011 with 2,498 employees. The company operates in precision oncology and liquid biopsy diagnostics.

      ILLUMINA, INC.

      Illumina, Inc. is a United States-based public company founded in 1998 with 8,625 employees. The company is a leader in DNA sequencing and genetic analysis technologies.

      BIOMéRIEUX

      bioMérieux is a France-based public company founded in 1963 with 14,894 employees. The company operates in in vitro diagnostics and microbiology testing.

      ICON PLC

      ICON PLC is an Ireland-based public company founded in 1989 with 40,350 employees. The company provides clinical research and development services to the pharmaceutical and biotechnology industries.

      MYRIAD GENETICS, INC.

      Myriad Genetics, Inc. is a United States-based public company founded in 1991 with 2,700 employees. The company operates in molecular diagnostics and personalized medicine.

      SYSMEX CORPORATION

      Sysmex Corporation is a Japan-based public company founded in 1968 with 10,861 employees. The company operates in clinical laboratory diagnostics and life sciences.

      ABNOVA CORPORATION

      Abnova Corporation is a Taiwan-based public company founded in 2002. The company operates in the biotechnology and life sciences research sector.

      Reasons to Buy this Report

      • Market Size & Growth Validation : Obtain precise US market valuation ($2.38B in 2026) and verified 13.2% CAGR projections through 2031 to support investment decisions, business planning, and competitive positioning in the companion diagnostics sector.
      • US-Specific Growth Drivers : Understand the unique factors propelling the US market including precision medicine adoption rates, cancer prevalence trends, and healthcare system investment patterns that differ from global markets.
      • Regulatory & Reimbursement Landscape : Access insights into FDA approval trends, reimbursement policies, and healthcare system integration strategies specific to the US market to navigate regulatory requirements and optimize market entry strategies.
      • Competitive Intelligence : Benchmark your organization against US market dynamics, identify emerging opportunities in oncology and genetic testing segments, and assess competitive positioning within the American healthcare ecosystem.
      • Strategic Investment Planning : Leverage US-focused market data to guide R&D investments, partnership development, and commercial expansion strategies tailored to the American precision medicine market's unique characteristics and growth trajectory.

      Frequently asked questions

      What is the current size of the US companion diagnostics market?

      The US companion diagnostics market is valued at $2,381.4 million in 2026 and is projected to reach $3,484.5 million by 2031.

      What is the expected growth rate of the US companion diagnostics market?

      The US companion diagnostics market is expected to grow at a compound annual growth rate (CAGR) of 13.2% from 2026 to 2031.

      What are the primary drivers of growth in the US companion diagnostics market?

      Key drivers include increasing adoption of precision medicine, rising prevalence of cancer and genetic disorders, FDA regulatory support, favorable reimbursement policies, and growing pharmaceutical-diagnostic partnerships in the US.

      Which therapeutic segments dominate the US companion diagnostics market?

      Oncology is the leading segment in the US market, driven by the need for targeted cancer therapies and biomarker-driven treatment selection, followed by cardiology and rare disease applications.

      How does the US market compare to global companion diagnostics trends?

      The US market grows at 13.2% CAGR, slightly outpacing the global CAGR of 12.9%, reflecting the US healthcare system's advanced infrastructure and strong emphasis on personalized medicine.

      RESEARCH METHODOLOGY

      This study involved four major activities in estimating the current size of the companion diagnostics market. Exhaustive secondary research was conducted to gather information on the market, its peer markets, and its parent market. These findings, assumptions, and sizing were then validated with industry experts across the value chain through primary research. Both top-down and bottom-up approaches were employed to estimate the complete market size. Following this, the data triangulation procedure was used to estimate the market size of segments and subsegments.

      Secondary Research

      Secondary research was primarily used to identify and gather information for the extensive, technical, market-oriented, and commercial study. The secondary sources referred for this research study include publications from government sources, such as the National Center for Biotechnology Information (NCBI), National Institutes of Health (NIH), World Health Organization (WHO), Food and Drug Administration (FDA), European Medicines Agency (EMA), Pharmaceutical Research and Manufacturers of America (PhRMA), Global Cancer Observatory (GLOBOCAN), Centers for Disease Control and Prevention (CDC), and European Federation of Biotechnology,. Secondary sources also included corporate and regulatory filings (such as annual reports, SEC filings, investor presentations, and financial statements); business magazines and research journals; press releases; and trade, business, and professional associations. These sources were also used to obtain key information on major players, global product revenues, market classification, and segmentation by industry trends, regional/country-level markets, market developments, and technology perspectives. Secondary data were collected and analyzed to determine the overall size of the global companion diagnostics market, and the findings were validated through primary research.

      Primary Research

      In-depth interviews were conducted with primary respondents, including key industry participants, subject-matter experts, C-level executives of key market players, and industry consultants, among others, to obtain and verify critical qualitative and quantitative information and assess market prospects. Various primary sources from both the supply and demand sides of the market were interviewed to obtain qualitative and quantitative information. The following is a breakdown of the primary respondents:

      Companion Diagnostics Market Size, and Share

      To know about the assumptions considered for the study, download the pdf brochure

      Market Size Estimation

      The global size of the companion diagnostics market was estimated through multiple approaches. A detailed market estimation approach was used to estimate and validate the market value and other dependent submarkets. These methods were also used extensively to estimate the size of various subsegments in the market. The research methodology used to estimate the market size includes the following:

      Companion Diagnostics Market Top Down and Bottom Up Approach

      Data Triangulation

      After estimating the overall market size from the market size estimation process, the total market was split into several segments. To complete the overall market engineering process and arrive at the exact statistics for all segments, the data triangulation procedure was employed; it involved studying various factors and trends from both the demand and supply sides.

      Market Definition

      A companion diagnostic (CDx) is an in vitro diagnostic (IVD) device that is used to make biomarker assessments to identify whether a patient with certain chronic diseases, such as cancer, infectious diseases, and cardiovascular diseases, could benefit from a particular drug provides information essential for the safe and effective use of a specific therapeutic product, particularly targeted therapies and biologics. These tests help identify patients who are most likely to benefit from a treatment, may experience adverse reactions, or require therapy selection based on biomarker or molecular profiling. The market includes assay kits, reagents, instruments, software, and laboratory testing services across technologies such as polymerase chain reaction, next-generation sequencing, immunohistochemistry, and in situ hybridization, among others.

      Key Stakeholders

      • Manufacturers and Distributors of Companion Diagnostics Products
      • In Vitro Diagnostic (IVD) Companies
      • Hospital Laboratories
      • Diagnostic Laboratories
      • Diagnostics Suppliers
      • Pharmaceutical Companies
      • Research Laboratories and Academic Institutes
      • Clinical Research Organizations (CROs)
      • Research & Development (R&D) Companies
      • Academic Medical Centers/Government Research Organizations
      • Companion Diagnostics Service Providers
      • Government Associations
      • Market Research & Consulting Firms
      • Venture Capitalists & Investors

      Report Objectives

      • To define, describe, segment, and forecast the global companion diagnostics market, by product & service, technology, Indication, Sample type, Drug Class Associated with CDX, Application, end user, and region
      • To provide detailed information regarding the major factors influencing market growth (such as drivers, restraints, opportunities, and challenges)
      • To analyze micromarkets with respect to individual growth trends, prospects, and contributions to the overall companion diagnostics market
      • To analyze market opportunities for stakeholders and provide details of the competitive landscape for key players
      • To forecast the size of the market segments with respect to six regions: North America(US and Canada), Europe (Germany, France, the UK, Switzerland Italy, Spain, and the Rest of Europe), Asia Pacific (China, Japan, India, South Korea, Australia, and the Rest of Asia Pacific), Latin America (Brazil, Mexico, Argentina, and the Rest of Latin America), the Middle East [GCC and the Rest of Middle East], and Africa
      • To profile the key players and comprehensively analyze their product portfolios, market positions, and core competencies
      • To track and analyze company developments such as product launches & approvals, partnerships, acquisitions, agreements, collaborations, expansions, and other developments
      • To benchmark players within the market using the proprietary “Company Evaluation Matrix” framework, which analyzes market players on various parameters within the broad categories of business and product excellence strategy

      Available customizations:

      With the given market data, MarketsandMarkets offers customizations per the company’s specific needs. The following customization options are available for the report:

      Geographical Analysis

      • Further breakdown of the Rest of Europe companion diagnostics market, by country
      • Further breakdown of the Rest of Asia Pacific companion diagnostics market, by country

      Company Information

      • Detailed analysis and profiling of additional market players (up to five)

      Segment Analysis

      • Cross-segment analysis

       

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      Full forecast, segment splits, and company analysis for all Companion Diagnostics Market.

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