Companion Diagnostic Tests In Oncology Market Size & Share Analysis - Growth Trends And Forecast (2025 - 2032)

By Detection Technique;

Protein Detection - [Immunohistochemistry] and DNA Detection - [Polymerase Chain Reaction, Next Gen Sequencing and In-Situ Hybridization] and Others

By Bio-Markers;

EGFR, KRAS, BRAF V600E, HER2 and Others

By Cancer Type;

Breast Cancer, Liver Cancer, Lung Cancer, Colorectal Cancer, Melanoma and Others

By End User;

Hospitals, Specialty Clinics, Diagnostic Labs and Others

By Geography;

North America, Europe, Asia Pacific, Middle East & Africa and Latin America - Report Timeline (2022 - 2032)
Report ID: Rn446595741 Published Date: February, 2026 Updated Date: March, 2026

Companion Diagnostic Tests in Oncology Market Overview

Companion Diagnostic Tests in Oncology Market (USD Million)

Companion Diagnostic Tests in Oncology Market was valued at USD 5,144.97 million in the year 2025. The size of this market is expected to increase to USD 9,410.65 million by the year 2032, while growing at a Compounded Annual Growth Rate (CAGR) of 9.0%.


Companion Diagnostic Tests In Oncology Market

*Market size in USD million

CAGR 9.0 %


Study Period2026 - 2032
Base Year2025
CAGR (%)9.0 %
Market Size (2025)USD 5,144.97 Million
Market Size (2032)USD 9,410.65 Million
Market ConcentrationMedium
Report Pages343
5,144.97
2025
9,410.65
2032

Major Players

  • Roche F HoffmannLa Roche Ltd
  • Agilent Technologies Inc
  • QIAGEN
  • Illumina Inc
  • Thermo Fisher Scientific
  • Abbott Laboratories Abbott Diagnostics
  • Foundation Medicine
  • Myriad Genetics Inc
  • Guardant Health
  • BioMrieux
*Competitors List Not Exhaustive

Market Concentration

Consolidated - Market dominated by 1 - 5 major players

Companion Diagnostic Tests In Oncology Market

Fragmented - Highly competitive market without dominant players


Companion Diagnostic Tests in Oncology Market is gaining significant traction as personalized treatment approaches continue to advance. These tests play a critical role in identifying patients who are most likely to benefit from targeted therapies. Around 72% of oncology therapies approved recently are linked with companion diagnostics, reflecting their growing clinical importance in cancer care.

Increasing Adoption of Targeted Therapies
The rising focus on precision oncology has led to increasing integration of companion diagnostics into treatment protocols. Over 68% of cancer specialists prefer using targeted therapies guided by biomarker-based testing. This trend enhances therapeutic efficacy while reducing adverse reactions, driving substantial demand for advanced diagnostic solutions.

Technological Innovations Driving Growth
Continuous advancements in molecular testing, next-generation sequencing, and biomarker discovery have transformed companion diagnostics. Approximately 65% of newly developed oncology diagnostic tools leverage genomic technologies for better accuracy and faster results. These innovations enable healthcare providers to select more effective treatment strategies, improving patient survival rates.

Rising Demand for Personalized Cancer Care
The growing need for personalized treatment options in oncology is fueling the expansion of companion diagnostics. Over 70% of patients undergoing cancer therapy prefer tests that help identify individualized treatment responses. This growing awareness, coupled with technological advancements, is shaping a highly dynamic and innovation-driven diagnostic ecosystem.

Companion Diagnostic Tests in Oncology Market Key Takeaways

  • Rising prevalence of cancer and adoption of personalized medicine approaches are driving the Companion Diagnostic Tests in Oncology Market, as these tests help identify patients most likely to benefit from specific therapies, optimizing treatment outcomes.

  • Advancements in molecular diagnostics such as next-generation sequencing (NGS), liquid biopsy, and polymerase chain reaction (PCR) have improved the sensitivity and specificity of companion diagnostic tests for accurate biomarker detection.

  • The market offers diverse assays for non-small cell lung cancer (NSCLC), breast cancer, colorectal cancer, and melanoma, supporting clinicians in selecting the most effective therapies tailored to individual patient profiles.

  • North America holds a major share due to advanced healthcare infrastructure and regulatory support, while the Asia-Pacific region is expanding rapidly with rising healthcare investment and increasing cancer awareness.

  • Market players are focusing on strategic collaborations with pharmaceutical companies to co-develop diagnostics alongside targeted therapies, aiming to streamline approval processes and enhance treatment availability.

  • Challenges include high development costs, reimbursement issues, and regulatory hurdles, which influence adoption rates and accessibility of companion diagnostic tests.

  • Future growth opportunities include integration of AI and machine learning for improved diagnostic accuracy, development of multiplex assays for detecting multiple biomarkers, and expansion into emerging markets with rising healthcare demand.

Companion Diagnostic Tests in Oncology Market Recent Developments

  • In April 2025, major diagnostics companies launched next-generation broad genomic profiling tests designed to support targeted therapies in the Companion Diagnostic Tests in Oncology Market.

  • In February 2024, leading pharmaceutical and diagnostic firms formed strategic collaborations to co-develop and commercialize companion diagnostic assays for precision oncology treatments in the Companion Diagnostic Tests in Oncology Market.

Companion Diagnostic Tests In Oncology Market Segment Analysis

In this report, Companion Diagnostic Tests In Oncology Market has been segmented by Detection Technique, Bio-Markers, Cancer Type, End User and Geography. The market continues to expand due to rising adoption of precision oncology, increased use of targeted therapies, growing biomarker-driven patient stratification and advancements in molecular diagnostics supporting personalized treatment pathways.

Companion Diagnostic Tests In Oncology Market, Segmentation by Detection Technique

The Detection Technique segmentation includes Protein Detection, DNA Detection and Others. These techniques are essential for identifying actionable biomarkers, predicting therapeutic response and guiding optimal cancer treatment strategies.

Protein Detection

Protein detection methods enable visualization of protein overexpression, receptor status and mutation-associated protein changes. These tests help determine eligibility for targeted therapies and hormone receptor-based treatments.

  • Immunohistochemistry (IHC)

    IHC is widely used to assess biomarker expression levels such as HER2, PD-L1 and hormone receptors. Its accessibility and cost-efficiency support its broad adoption in oncology diagnostics and treatment selection.

DNA Detection

DNA-based techniques are central to precision oncology, enabling detection of actionable genetic mutations, tumor mutational burden and genomic alterations that influence therapy response and prognosis.

  • Polymerase Chain Reaction (PCR)

    PCR provides rapid, sensitive mutation detection for key biomarkers such as EGFR, KRAS and BRAF. Its high specificity supports targeted therapy decision-making.

  • Next Generation Sequencing (NGS)

    NGS enables comprehensive genomic profiling, allowing simultaneous analysis of multiple mutations and pathways. It is vital for selecting immunotherapy, targeted therapy and combination regimens.

  • In-Situ Hybridization (ISH)

    ISH techniques like FISH are used to detect gene amplifications and rearrangements such as HER2 status and ALK fusions, supporting precision-driven cancer care.

Others

This segment includes emerging molecular diagnostic technologies such as digital PCR and liquid biopsy platforms designed for minimally invasive biomarker detection and real-time treatment monitoring.

Companion Diagnostic Tests In Oncology Market, Segmentation by Bio-Markers

The Bio-Markers segmentation includes EGFR, KRAS, BRAF V600E, HER2 and Others. These biomarkers guide therapy selection, predict treatment outcomes and support personalized cancer therapeutics.

EGFR

EGFR mutation testing is critical in lung cancer therapy selection, especially for determining eligibility for EGFR-targeting tyrosine kinase inhibitors. Its role continues to grow with expanded mutation panels and resistance monitoring.

KRAS

KRAS testing is widely used in colorectal and lung cancers to predict non-response to certain targeted therapies. Increasing adoption of KRAS G12C inhibitors enhances the biomarker’s clinical importance.

BRAF V600E

BRAF V600E testing is essential for melanoma, thyroid cancer and colorectal cancer treatment planning. Its integration into targeted therapy regimens drives strong test utilization.

HER2

HER2 biomarker testing is fundamental in breast cancer and is expanding across gastric, lung and colorectal cancers with the rise of HER2-targeted therapies.

Others

This includes emerging biomarkers such as ALK, ROS1, BRCA, PIK3CA and PD-L1, reflecting the oncology industry’s shift toward multi-marker, multi-pathway diagnostic strategies.

Companion Diagnostic Tests In Oncology Market, Segmentation by Cancer Type

The Cancer Type segmentation includes Breast Cancer, Liver Cancer, Lung Cancer, Colorectal Cancer, Melanoma and Others. Companion diagnostics ensure that targeted therapies are matched to the appropriate molecular profiles across these cancer types.

Breast Cancer

Breast cancer remains a major segment due to the widespread use of HER2 testing, hormone receptor profiling and genomic assays guiding individualized treatment strategies.

Liver Cancer

Biomarker-driven therapy selection is expanding in liver cancer, where genomic profiling and mutation identification support the increasing availability of targeted therapies.

Lung Cancer

Lung cancer is a rapidly growing segment for companion diagnostics, driven by high prevalence and extensive use of genomic testing for EGFR, ALK, ROS1, KRAS and PD-L1 biomarkers.

Colorectal Cancer

Companion diagnostics play a critical role in optimizing colorectal cancer treatment, with KRAS, NRAS and BRAF mutation testing being essential for therapy selection.

Melanoma

Melanoma diagnostics focus on detecting BRAF mutations and other actionable genomic alterations to determine eligibility for targeted and immunotherapy combinations.

Others

This includes prostate, pancreatic, ovarian and hematologic cancers where biomarker-driven treatment pathways continue to accelerate.

Companion Diagnostic Tests In Oncology Market, Segmentation by End User

The End User segmentation includes Hospitals, Specialty Clinics, Diagnostic Labs and Others. These settings demonstrate varying levels of testing complexity, throughput capacity and integration with oncology treatment pathways.

Hospitals

Hospitals are major users of companion diagnostics due to integration with oncology departments, access to advanced testing platforms and direct coordination with treatment teams.

Specialty Clinics

Specialty oncology clinics increasingly adopt biomarker testing to streamline therapy workflows, reduce treatment delays and offer precision-driven care models.

Diagnostic Labs

Diagnostic laboratories perform high volumes of molecular testing, utilizing NGS, PCR and IHC platforms to deliver accurate, rapid biomarker results supporting treatment planning.

Others

This includes research institutions and reference labs that support clinical trials, translational oncology research and advanced biomarker assay development.

Companion Diagnostic Tests In Oncology Market, Segmentation by Geography

In this report, Companion Diagnostic Tests In Oncology Market has been segmented by Geography into North America, Europe, Asia Pacific, Middle East & Africa and Latin America.

Regions and Countries Analyzed in this Report

Legend
North America
Rest of North America
Europe
Rest of Europe
Asia Pacific
Rest of Asia Pacific
Middle East and Africa
Rest of Middle East and Africa
Latin America
Rest of Latin America
Rest of the World

North America

North America dominates the market due to strong adoption of precision oncology, availability of advanced diagnostic platforms and integration of biomarker testing into standard cancer treatment guidelines.

Europe

Europe demonstrates high uptake driven by supportive regulatory frameworks, widespread reimbursement for biomarker testing and strong clinical research networks involving companion diagnostics.

Asia Pacific

Asia Pacific is expanding rapidly due to increasing cancer incidence, improved access to molecular testing technologies and rising government investment in genomic medicine.

Middle East & Africa

The region shows increasing demand supported by expanding oncology centers, improved diagnostic infrastructure and growing awareness of personalized cancer therapies.

Latin America

Latin America continues to grow as molecular testing becomes more accessible through public health programs, private laboratories and regional oncology networks.

Companion Diagnostic Tests In Oncology Market Forces

This report provides an in depth analysis of various factors that impact the dynamics of Companion Diagnostic Tests in Oncology Market. These factors include; Market Drivers, Restraints and Opportunities Analysis.

Comprehensive Market Impact Matrix

This matrix outlines how core market forces Drivers, Restraints, and Opportunities affect key business dimensions including Growth, Competition, Customer Behavior, Regulation, and Innovation.

Market Forces ↓ / Impact Areas → Market Growth Rate Competitive Landscape Customer Behavior Regulatory Influence Innovation Potential
Drivers High impact (e.g., tech adoption, rising demand) Encourages new entrants and fosters expansion Increases usage and enhances demand elasticity Often aligns with progressive policy trends Fuels R&D initiatives and product development
Restraints Slows growth (e.g., high costs, supply chain issues) Raises entry barriers and may drive market consolidation Deters consumption due to friction or low awareness Introduces compliance hurdles and regulatory risks Limits innovation appetite and risk tolerance
Opportunities Unlocks new segments or untapped geographies Creates white space for innovation and M&A Opens new use cases and shifts consumer preferences Policy shifts may offer strategic advantages Sparks disruptive innovation and strategic alliances

Drivers, Restraints and Opportunity Analysis

Driver:

  • Rising Incidence of Cancer
  • Regulatory Approvals and Guidelines
  • Growing Emphasis on Personalized Medicine
  • Collaborations and Partnerships
  • Growing Healthcare Expenditure - The companion diagnostic tests in oncology market is witnessing growth attributed to increasing healthcare expenditure worldwide. As healthcare budgets expand, there is a corresponding rise in investment towards advanced diagnostic technologies and precision medicine initiatives. Governments and healthcare organizations are prioritizing funding for oncology research, diagnosis, and treatment, aiming to improve patient outcomes and reduce the burden of cancer-related morbidity and mortality. With a greater emphasis on personalized medicine approaches, companion diagnostic tests play a crucial role in guiding treatment decisions by identifying patients who are most likely to benefit from targeted therapies.

    This alignment between growing healthcare expenditure and the demand for innovative diagnostic solutions underscores the favorable market dynamics for companion diagnostic tests in oncology. Moreover, as healthcare systems continue to evolve and focus on value-based care models, the integration of companion diagnostics into clinical practice is expected to further drive market growth by optimizing treatment efficacy, minimizing adverse effects, and ultimately improving patient care pathways.

Restraints:

  • Regulatory Hurdles
  • High Development Costs
  • Market Fragmentation
  • Limited Reimbursement Policies
  • Market Access Barriers -Accessing the global market for companion diagnostic tests in oncology presents several challenges, primarily due to various barriers hindering market entry and adoption. These barriers encompass regulatory complexities, reimbursement challenges, technological intricacies, market competition, intellectual property disputes, healthcare provider education gaps, and ethical concerns.

    The stringent regulatory requirements and diverse approval processes across regions create hurdles for test developers, often leading to delays and increased costs. Additionally, limited reimbursement coverage and inadequate policies fail to reflect the value of these tests, dissuading healthcare providers from adopting them, especially where budgets are tight. Moreover, demonstrating clinical utility through robust evidence is vital but demanding, requiring extensive resources and time.

    The complexity of companion diagnostic technologies, such as next-generation sequencing and molecular profiling, further complicates market penetration, necessitating specialized infrastructure and training. Market fragmentation and intense competition among developers, pharmaceutical firms, and diagnostic labs also impede market access, as distinguishing products becomes challenging amidst saturation.

    Addressing these barriers demands collaborative efforts among stakeholders, including regulatory bodies, healthcare providers, payers, industry players, and advocacy groups. Streamlining regulatory processes, enhancing reimbursement mechanisms, investing in evidence generation, improving education initiatives, and fostering partnerships are critical steps toward overcoming market access challenges in the global companion diagnostic tests in oncology market.

Opportunities:
  • Technological Advancements
  • Expanding Cancer Biomarkers Portfolio
  • Personalized Medicine Adoption
  • Emerging Markets Penetration
  • Patient Engagement and Education -Patient engagement and education are integral components of the global companion diagnostic tests in oncology market, playing crucial roles in facilitating informed decision-making, enhancing treatment adherence, and improving patient outcomes. Effective patient engagement strategies aim to empower individuals with knowledge about companion diagnostic tests, their significance in personalized cancer care, and the implications of test results on treatment decisions. Education initiatives focus on providing accessible, accurate, and understandable information to patients, ensuring they have the necessary resources to actively participate in their diagnostic journey.

    One approach to patient engagement and education involves the development and dissemination of patient-friendly materials, such as brochures, pamphlets, and educational videos, which explain the purpose, procedure, and potential benefits of companion diagnostic tests. These materials are designed to demystify complex medical concepts, alleviate patient anxiety, and encourage open communication between patients and healthcare providers. Additionally, digital health tools and online resources offer convenient access to educational materials, test information, and support services, empowering patients to take an active role in managing their health.

    The patient engagement and education initiatives are critical for fostering collaborative relationships between patients and healthcare providers, promoting informed decision-making, and optimizing outcomes in the global companion diagnostic tests in oncology market. By prioritizing patient-centered approaches and providing comprehensive support throughout the diagnostic journey, stakeholders can empower individuals to play an active role in managing their cancer care and improve overall quality of life.

    Companion Diagnostic Tests In Oncology Market Competitive Landscape Analysis

    Companion Diagnostic Tests In Oncology Market is witnessing heightened competition, with leading players emphasizing strategies such as partnerships and collaboration to expand diagnostic capabilities and therapeutic alignment. Focus on innovation in biomarker-based testing and personalized oncology solutions is driving significant growth, capturing a notable percentage of precision medicine applications.

    Market Structure and Concentration
    The market demonstrates moderate concentration, with top firms accounting for nearly 65% of total revenue, while emerging companies contribute the remainder. Strategic mergers and alliances shape competitive strategies and influence the long-term future outlook, enabling firms to enhance regional presence and strengthen diagnostic portfolios.

    Brand and Channel Strategies
    Key players focus on strong brand positioning and multi-channel distribution, with approximately 55% of tests delivered through hospital networks, diagnostic labs, and oncology centers. Strategic partnerships with pharmaceutical companies and research institutions support market penetration, drive growth, and enhance credibility in personalized cancer care.

    Innovation Drivers and Technological Advancements
    Innovation is central, with over 50% of companies investing in next-generation sequencing, liquid biopsy platforms, and AI-based diagnostic tools. Advanced technological advancements improve accuracy and treatment matching. Collaborative R&D partnerships accelerate development cycles, maintaining competitiveness and positively influencing the market’s future outlook.

    Regional Momentum and Expansion
    North America and Europe dominate, accounting for nearly 70% of market share due to advanced healthcare infrastructure and high adoption of precision oncology. Companies pursue regional expansion through joint ventures and collaboration, strengthening diagnostic networks and capitalizing on growth opportunities in emerging oncology markets in Asia-Pacific and Latin America.

    Future Outlook
    The Companion Diagnostic Tests In Oncology Market is expected to sustain robust growth with increasing demand for personalized cancer therapies. Strategic collaboration, continuous innovation, and targeted expansion will define competitive strategies, enabling leading players to secure higher market percentages and maintain long-term leadership.

    Key players in Companion Diagnostic Tests in Oncology Market include:

    • F. Hoffmann-La Roche Ltd.
    • Agilent Technologies, Inc.
    • QIAGEN
    • Illumina, Inc.
    • Thermo Fisher Scientific
    • Abbott Laboratories
    • Foundation Medicine
    • Myriad Genetics, Inc.
    • Guardant Health
    • BioMérieux
    • Danaher Corporation
    • Bio-Rad Laboratories, Inc.
    • EntroGen, Inc.
    • Biocartis
    • Sysmex Corporation

    In this report, the profile of each market player provides following information:

    • Market Share Analysis
    • Company Overview and Product Portfolio
    • Key Developments
    • Financial Overview
    • Strategies
    • Company SWOT Analysis
    1. Introduction
      1. Research Objectives and Assumptions
      2. Research Methodology
      3. Abbreviations
    2. Market Definition & Study Scope
    3. Executive Summary
      1. Market Snapshot, By Detection Technique
      2. Market Snapshot, By Bio-Markers
      3. Market Snapshot, By Cancer Type
      4. Market Snapshot, By End User
      5. Market Snapshot, By Region
    4. Companion Diagnostic Tests in Oncology Market Forces
      1. Drivers, Restraints and Opportunities
        1. Drivers
          1. Rising Incidence of Cancer
          2. Regulatory Approvals and Guidelines
          3. Growing Emphasis on Personalized Medicine
          4. Collaborations and Partnerships
          5. Growing Healthcare Expenditure
        2. Restraints
          1. Regulatory Hurdles
          2. High Development Costs
          3. Market Fragmentation
          4. Limited Reimbursement Policies
          5. Market Access Barriers
        3. Opportunities
          1. Technological Advancements
          2. Expanding Cancer Biomarkers Portfolio
          3. Personalized Medicine Adoption
          4. Emerging Markets Penetration
          5. Patient Engagement and Education
      2. PEST Analysis
        1. Political Analysis
        2. Economic Analysis
        3. Social Analysis
        4. Technological Analysis
      3. Porter's Analysis
        1. Bargaining Power of Suppliers
        2. Bargaining Power of Buyers
        3. Threat of Substitutes
        4. Threat of New Entrants
        5. Competitive Rivalry

    5. Market Segmentation
      1. Companion Diagnostic Tests In Oncology Market, By Detection Technique, 2022 - 2032 (USD Million)
        1. Protein Detection
          1. Immunohistochemistry
        2. DNA Detection
          1. Polymerase Chain Reaction
          2. Next Gen Sequencing
          3. In-Situ Hybridization
        3. Others
      2. Companion Diagnostic Tests In Oncology Market, By Bio-Markers, 2022 - 2032 (USD Million)
        1. EGFR
        2. KRAS
        3. BRAF V600E
        4. HER2
        5. Others
      3. Companion Diagnostic Tests In Oncology Market, By Cancer Type, 2022 - 2032 (USD Million)
        1. Breast Cancer
        2. Liver Cancer
        3. Lung Cancer
        4. Colorectal Cancer
        5. Melanoma
        6. Others
      4. Companion Diagnostic Tests In Oncology Market, By End User, 2022 - 2032 (USD Million)
        1. Hospitals
        2. Specialty Clinics
        3. Diagnostic Labs
        4. Others
      5. Companion Diagnostic Tests in Oncology Market, By Geography, 2022 - 2032 (USD Million)
        1. North America
          1. United States
          2. Canada
        2. Europe
          1. Germany
          2. United Kingdom
          3. France
          4. Italy
          5. Spain
          6. Nordic

          7. Benelux

          8. Rest of Europe
        3. Asia Pacific
          1. Japan
          2. China
          3. India
          4. Australia & New Zealand
          5. South Korea
          6. ASEAN (Association of South East Asian Countries)
          7. Rest of Asia Pacific
        4. Middle East & Africa
          1. GCC
          2. Israel
          3. South Africa
          4. Rest of Middle East & Africa
        5. Latin America
          1. Brazil
          2. Mexico
          3. Argentina
          4. Rest of Latin America
    6. Competitive Landscape
      1. Company Profiles
        1. F. Hoffmann-La Roche Ltd.
        2. Agilent Technologies, Inc.
        3. QIAGEN
        4. Illumina, Inc.
        5. Thermo Fisher Scientific
        6. Abbott Laboratories
        7. Foundation Medicine
        8. Myriad Genetics, Inc.
        9. Guardant Health
        10. BioMérieux
        11. Danaher Corporation
        12. Bio-Rad Laboratories, Inc.
        13. EntroGen, Inc.
        14. Biocartis
        15. Sysmex Corporation
    7. Analyst Views
    8. Future Outlook of the Market