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US Companion Diagnostic Market

ID: MRFR/MED/13122-HCR
100 Pages
Rahul Gotadki
October 2025

US Companion Diagnostic Market Research Report By Product & Service (Assays, Kits, Reagents, Software, Services), By Technology (Polymerase Chain Reaction, Next-Generation Sequencing, In Situ Hybridization, Immunohistochemistry, Others), By Indication (Cancer, Neurological Diseases, Infectious Diseases, Cardiovascular Diseases, Others) and By End User (Pharmaceutical & Biopharmaceutical Companies, Contract Research Organizations, Laboratories, Others) - Forecast to 2035

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US Companion Diagnostic Market Summary

As per MRFR analysis, the US companion diagnostic market size was estimated at 1500.0 USD Million in 2024. The US companion diagnostic market is projected to grow from 1597.5 USD Million in 2025 to 3000.0 USD Million by 2035, exhibiting a compound annual growth rate (CAGR) of 6.5% during the forecast period 2025 - 2035.

Key Market Trends & Highlights

The US companion diagnostic market is poised for substantial growth driven by technological advancements and increasing demand for personalized medicine.

  • The integration with targeted therapies is becoming a prominent trend in the US companion diagnostic market.
  • Regulatory support and guidance are enhancing the development and approval processes for companion diagnostics.
  • Technological advancements are facilitating the rapid evolution of diagnostic tools, particularly in genomic technologies.
  • The rising prevalence of chronic diseases and growing demand for personalized medicine are key drivers propelling market expansion.

Market Size & Forecast

2024 Market Size 1500.0 (USD Million)
2035 Market Size 3000.0 (USD Million)
CAGR (2025 - 2035) 6.5%

Major Players

Roche (CH), Thermo Fisher Scientific (US), Abbott (US), Agilent Technologies (US), Illumina (US), Qiagen (DE), Myriad Genetics (US), Hologic (US), BioMérieux (FR)

US Companion Diagnostic Market Trends

The companion diagnostic market is currently experiencing notable growth, driven by advancements in personalized medicine and the increasing prevalence of chronic diseases. Regulatory bodies in the US are actively promoting the integration of companion diagnostics into clinical practice, which enhances the ability to tailor treatments to individual patient profiles. This trend is further supported by the rising demand for targeted therapies, as healthcare providers seek to improve patient outcomes through more precise treatment options. As a result, the market is witnessing a surge in collaborations between pharmaceutical companies and diagnostic developers, aiming to create innovative solutions that align with the evolving landscape of precision medicine. Moreover, the companion diagnostic market is characterized by a growing emphasis on technological innovations, such as next-generation sequencing and digital pathology. These advancements facilitate the development of more accurate and efficient diagnostic tools, which are essential for identifying suitable candidates for specific therapies. Additionally, the increasing focus on value-based care is likely to drive the adoption of companion diagnostics, as healthcare systems strive to optimize resource allocation and improve patient care. Overall, the landscape of the companion diagnostic market appears promising, with ongoing developments poised to shape its future trajectory.

Integration with Targeted Therapies

The companion diagnostic market is increasingly aligning with targeted therapies, as healthcare providers recognize the importance of personalized treatment approaches. This integration allows for more effective patient stratification, ensuring that individuals receive therapies that are most likely to benefit them. As a result, pharmaceutical companies are investing in the development of companion diagnostics that can identify suitable patient populations for their targeted drugs.

Regulatory Support and Guidance

Regulatory agencies in the US are providing enhanced support for the development and approval of companion diagnostics. This includes streamlined pathways for regulatory submissions and increased collaboration with diagnostic developers. Such initiatives aim to facilitate the timely introduction of innovative diagnostic solutions into the market, ultimately benefiting patient care and treatment outcomes.

Technological Advancements

The companion diagnostic market is witnessing rapid technological advancements, particularly in areas such as genomic testing and bioinformatics. These innovations are enhancing the accuracy and efficiency of diagnostic tools, enabling healthcare providers to make more informed decisions regarding patient treatment. As technology continues to evolve, it is expected to play a crucial role in shaping the future of companion diagnostics.

US Companion Diagnostic Market Drivers

Advancements in Genomic Technologies

Technological innovations in genomic sequencing and molecular diagnostics are significantly influencing the companion diagnostic market. The advent of next-generation sequencing (NGS) has enabled more precise identification of genetic mutations, which is crucial for the development of targeted therapies. In the US, the market for genomic testing is projected to reach approximately $25 billion by 2026, indicating a robust growth trajectory. This growth is likely to enhance the capabilities of the companion diagnostic market, as more sophisticated tests become available, allowing for better patient stratification and treatment personalization.

Rising Prevalence of Chronic Diseases

The increasing incidence of chronic diseases such as cancer, cardiovascular disorders, and diabetes is a primary driver for the companion diagnostic market. As these conditions become more prevalent, the demand for personalized medicine rises, necessitating the use of companion diagnostics to tailor treatments to individual patients. In the US, it is estimated that nearly 1.9 million new cancer cases are diagnosed annually, highlighting the need for effective diagnostic tools. The companion diagnostic market is thus positioned to grow, as healthcare providers seek to improve patient outcomes through targeted therapies that are informed by diagnostic testing.

Growing Demand for Personalized Medicine

The shift towards personalized medicine is reshaping the landscape of the companion diagnostic market. Patients and healthcare providers are increasingly recognizing the value of tailored treatment approaches that consider individual genetic profiles. This trend is supported by a growing body of evidence demonstrating improved treatment efficacy and reduced adverse effects. In the US, the personalized medicine market is expected to exceed $2 trillion by 2025, which could significantly bolster the companion diagnostic market as more healthcare systems adopt these strategies to enhance patient care.

Regulatory Support for Companion Diagnostics

Regulatory bodies in the US are providing enhanced support for the development and approval of companion diagnostics, which is a vital driver for the market. Initiatives aimed at streamlining the regulatory process for these diagnostics are encouraging innovation and expediting time-to-market for new tests. The FDA has established specific pathways for the approval of companion diagnostics, which may lead to a more favorable environment for companies operating in the companion diagnostic market. This regulatory support is likely to facilitate the introduction of new diagnostic tools that align with the latest therapeutic advancements.

Increased Investment in Research and Development

Investment in research and development (R&D) within the pharmaceutical and biotechnology sectors is a critical driver for the companion diagnostic market. Companies are increasingly allocating resources to develop innovative diagnostic solutions that can complement new therapies. In the US, R&D spending in the life sciences sector has seen a steady increase, with estimates suggesting that it could reach $200 billion by 2025. This influx of funding is likely to foster advancements in the companion diagnostic market, leading to the introduction of novel tests that align with emerging therapeutic options.

Market Segment Insights

By Product & Service: Assays, Kits, & Reagents (Largest) vs. Software & Services (Fastest-Growing)

In the companion diagnostic market, Assays, Kits, & Reagents constitute the largest segment, holding a substantial market share compared to Software & Services. Assays, Kits, & Reagents are critical for the detection and monitoring of diseases, which has solidified their dominance within the market. Conversely, while Software & Services occupy a smaller market share, they are quickly gaining traction due to the increasing demand for digital solutions in healthcare. Growth trends indicate a robust expansion for both segments, driven by advancements in technology and an increasing emphasis on personalized medicine. The rising prevalence of chronic diseases pushes healthcare providers to adopt companion diagnostics, particularly assays for tailored treatment strategies. Additionally, the surge in software solutions that enhance diagnostics processes and analyze patient data underscores the potential for Software & Services to emerge as a leading component in the market.

Assays, Kits, & Reagents (Dominant) vs. Software & Services (Emerging)

Assays, Kits, & Reagents represent the dominant force within the US companion diagnostic market, characterized by their crucial role in the precise identification of biomarkers for targeted therapies. Their widespread use in clinical settings showcases the reliability and efficiency they provide healthcare professionals. On the other hand, Software & Services are emerging as a transformative component of the market, leveraging technology to streamline diagnostic processes and improve patient outcomes. The integration of advanced data analytics and artificial intelligence in Software & Services is propelling growth, allowing for more personalized and accurate diagnostics solutions. As the market evolves, both segments are essential, with Assays, Kits, & Reagents continuing to lead while Software & Services expand their influence.

By Technology: PCR (Largest) vs. NGS (Fastest-Growing)

The US companion diagnostic market exhibits a diverse range of technologies, with Polymerase Chain Reaction (PCR) holding the largest market share due to its established applications and widespread acceptance in clinical settings. Next-Generation Sequencing (NGS) is emerging swiftly, capturing the interest of stakeholders through its comprehensive genomic profiling capabilities, leading to increased adoption alongside PCR. In contrast, In Situ Hybridization (ISH) and Immunohistochemistry (IHC) continue to maintain a steady presence, while other methods contribute modestly to the overall market dynamics. Growth trends indicate a robust expansion trajectory for NGS, largely driven by technological advancements and decreasing costs. The increasing incidence of cancer and the need for personalized medicine are key catalysts propelling the demand for companion diagnostics. PCR remains crucial due to its reliability in specific applications, while the growing focus on integrated diagnostic solutions places NGS at the forefront of the market evolution, suggesting a shift towards more sophisticated testing methodologies.

Technology: PCR (Dominant) vs. NGS (Emerging)

PCR is recognized for its role in diagnostics, offering rapid results and high sensitivity, making it a preferred choice in various clinical applications. Its dominance is attributed to its proven track record and extensive use in detecting specific genetic mutations crucial for patient treatment decisions. On the other hand, NGS is carving a niche as an emerging technology that provides a deeper understanding of genomic data, which is essential for comprehensive cancer care. The ability of NGS to analyze multiple genes simultaneously positions it as a revolutionary tool that appeals to healthcare providers aiming for personalized and targeted therapy options, marking a significant shift in how diagnostics are approached within the market.

By Indication: Cancer (Largest) vs. Neurological Diseases (Fastest-Growing)

In the US companion diagnostic market, Cancer emerges as the largest segment, dominating market share due to the high prevalence and complexity of various cancer types. Neurological Diseases and Infectious Diseases follow, though they hold smaller shares, pointing to focused investment and research in targeted therapies. Cardiovascular Diseases and Others also contribute to the overall market, yet their impact remains comparatively limited at this time. The growth trends within the US companion diagnostic market reveal a substantial increase in the demand for personalized medicine, particularly in Cancer and Neurological Diseases. The rapid advancement in genomic and molecular technologies propels the growth trajectory for companion diagnostics. Increasing incidences of chronic diseases also stimulate the adoption of diagnostics that can tailor treatments for improved patient outcomes, especially in the emerging fields like Neurological Diseases.

Cancer (Dominant) vs. Neurological Diseases (Emerging)

In the US companion diagnostic market, Cancer diagnostics play a dominant role, primarily driven by a significant rise in personalized treatment strategies that cater to individual tumor profiles. This segment benefits from advancements in biomarker identification and precision medicine, allowing for more effective treatment protocols. In contrast, Neurological Diseases represent an emerging segment characterized by innovative diagnostic tools aimed at managing complex conditions such as Alzheimer’s or multiple sclerosis. The growth of this segment is fueled by increased research spending and heightened awareness of neurological health issues, highlighting its importance in comprehensive healthcare solutions.

By End User: Pharmaceutical & Biopharmaceutical Companies (Largest) vs. Contract Research Organizations (Fastest-Growing)

In the US companion diagnostic market, the segment values show a distinct distribution in market share. Pharmaceutical and biopharmaceutical companies dominate this market, leveraging their extensive resources and established relationships with healthcare providers. In contrast, contract research organizations are gaining traction, appealing to smaller firms looking for specialized services. Growth trends indicate that contract research organizations are emerging as a significant player, driven by an increase in personalized medicine. The rising demand for companion diagnostics tailored to specific therapies is accelerating investments in this segment, enhancing its growth potential. The integration of advanced technologies and collaborative studies are key drivers propelling forward this competitive landscape.

Pharmaceutical & Biopharmaceutical Companies (Dominant) vs. Contract Research Organizations (Emerging)

Pharmaceutical and biopharmaceutical companies stand as the dominant force in the US companion diagnostic market due to their substantial investment in research and development, coupled with an extensive pipeline of targeted therapies. Their robust infrastructure supports effective collaboration with diagnostic manufacturers. Conversely, contract research organizations are seen as an emerging force, offering flexibility and specialized expertise, which attracts smaller biotech firms seeking innovative solutions in companion diagnostics. This segment benefits from the growing trend of partnerships between academic institutions and research organizations, fueling a rise in novel approaches to personalized therapy.

Get more detailed insights about US Companion Diagnostic Market

Key Players and Competitive Insights

The companion diagnostic market is characterized by a dynamic competitive landscape, driven by advancements in personalized medicine and the increasing demand for targeted therapies. Key players such as Roche (CH), Thermo Fisher Scientific (US), and Illumina (US) are at the forefront, leveraging their extensive research capabilities and technological innovations to enhance their market positions. Roche (CH) focuses on integrating diagnostics with therapeutic solutions, thereby streamlining patient management. Meanwhile, Thermo Fisher Scientific (US) emphasizes its commitment to innovation through strategic partnerships and acquisitions, which bolster its product offerings and market reach. Illumina (US) continues to lead in genomic sequencing technologies, positioning itself as a critical player in the development of companion diagnostics that align with precision medicine initiatives.

The business tactics employed by these companies reflect a concerted effort to optimize operations and enhance market presence. Localizing manufacturing and optimizing supply chains are prevalent strategies aimed at reducing costs and improving responsiveness to market demands. The competitive structure of the market appears moderately fragmented, with several players vying for dominance. However, the collective influence of major companies shapes a landscape where innovation and strategic collaborations are paramount.

In October 2025, Roche (CH) announced a collaboration with a leading biotechnology firm to develop a novel companion diagnostic for a new oncology therapy. This partnership is expected to enhance Roche's capabilities in delivering personalized treatment options, thereby reinforcing its competitive edge in the oncology segment. The strategic importance of this collaboration lies in its potential to accelerate the development timeline and improve patient outcomes through tailored therapies.

In September 2025, Thermo Fisher Scientific (US) launched a new platform designed to streamline the development of companion diagnostics. This platform integrates advanced analytics and AI capabilities, allowing for more efficient data processing and interpretation. The introduction of this technology signifies a shift towards digital transformation in the companion diagnostic space, enabling faster and more accurate diagnostic solutions that align with evolving healthcare needs.

In August 2025, Illumina (US) expanded its partnership with a prominent pharmaceutical company to enhance the integration of genomic data into clinical decision-making processes. This strategic move is indicative of Illumina's commitment to advancing precision medicine and underscores the growing importance of genomic insights in companion diagnostics. By fostering such collaborations, Illumina positions itself as a leader in the integration of genomic technologies into routine clinical practice.

As of November 2025, current trends in the companion diagnostic market are increasingly defined by digitalization, sustainability, and the integration of AI technologies. Strategic alliances among key players are shaping the competitive landscape, fostering innovation and enhancing product offerings. Looking ahead, the evolution of competitive differentiation is likely to pivot from traditional price-based competition towards a focus on technological advancements, innovation, and supply chain reliability. This shift underscores the necessity for companies to adapt and innovate continuously to maintain their competitive positions in an ever-evolving market.

Key Companies in the US Companion Diagnostic Market market include

Industry Developments

In recent developments, the US Companion Diagnostic Market has witnessed significant advancements, particularly among key players such as Illumina, Novartis, and Roche. For instance, in April 2023, Illumina announced a partnership with Merck to develop companion diagnostics for immune-oncology therapies, expanding their genomic sequencing capabilities. In June 2023, BioRad Laboratories launched a new product line aimed explicitly at enhancing the accuracy of companion diagnostics in oncology, reflecting the growing demand for personalized medicine. Merger and acquisition activity has also been notable; in May 2023, Thermo Fisher Scientific acquired MGI Tech, enhancing its genetic sequencing and diagnostic offerings.

The US market continues to grow, driven by increased adoption of targeted therapies and advancements in precision medicine. Companies such as Myriad Genetics and Foundation Medicine are actively enhancing their product portfolios to meet healthcare providers' needs for accurate diagnostics. Growth trends in the market indicate a strong valuation increase for these companies, attributed to ongoing investments in Research and Development, technology innovations, and expansions in regulatory approvals for companion diagnostic tests, highlighting the dynamic nature of this sector in the US healthcare landscape.

Future Outlook

US Companion Diagnostic Market Future Outlook

The Companion Diagnostic Market is projected to grow at a 6.5% CAGR from 2024 to 2035, driven by advancements in personalized medicine, regulatory support, and increasing prevalence of chronic diseases.

New opportunities lie in:

  • Development of AI-driven diagnostic algorithms for enhanced accuracy.
  • Expansion of partnerships with pharmaceutical companies for co-development.
  • Investment in telehealth platforms for remote diagnostic services.

By 2035, the companion diagnostic market is expected to achieve substantial growth and innovation.

Market Segmentation

US Companion Diagnostic Market End User Outlook

  • Pharmaceutical & Biopharmaceutical Companies
  • Contract Research Organizations
  • Laboratories
  • Others

US Companion Diagnostic Market Indication Outlook

  • Cancer
  • Neurological Diseases
  • Infectious Diseases
  • Cardiovascular Diseases
  • Others

US Companion Diagnostic Market Technology Outlook

  • Polymerase Chain Reaction (PCR)
  • Next-Generation Sequencing (NGS)
  • In Situ Hybridization (ISH)
  • Immunohistochemistry (IHC)
  • Others

US Companion Diagnostic Market Product & Service Outlook

  • Assays
  • Kits
  • & Reagents
  • Software & Services

Report Scope

MARKET SIZE 2024 1500.0(USD Million)
MARKET SIZE 2025 1597.5(USD Million)
MARKET SIZE 2035 3000.0(USD Million)
COMPOUND ANNUAL GROWTH RATE (CAGR) 6.5% (2024 - 2035)
REPORT COVERAGE Revenue Forecast, Competitive Landscape, Growth Factors, and Trends
BASE YEAR 2024
Market Forecast Period 2025 - 2035
Historical Data 2019 - 2024
Market Forecast Units USD Million
Key Companies Profiled ["Roche (CH)", "Thermo Fisher Scientific (US)", "Abbott (US)", "Agilent Technologies (US)", "Illumina (US)", "Qiagen (DE)", "Myriad Genetics (US)", "Hologic (US)", "BioMérieux (FR)"]
Segments Covered Product & Service, Technology, Indication, End User
Key Market Opportunities Integration of artificial intelligence in companion diagnostic market enhances personalized medicine approaches.
Key Market Dynamics Rising regulatory scrutiny and technological advancements drive innovation in the companion diagnostic market.
Countries Covered US

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FAQs

What is the projected market size of the US Companion Diagnostic Market in 2024?

The US Companion Diagnostic Market is expected to be valued at approximately 9.01 billion USD in 2024.

How much is the US Companion Diagnostic Market expected to grow by 2035?

By 2035, the market is anticipated to grow significantly, reaching an estimated value of 60.85 billion USD.

What is the expected CAGR of the US Companion Diagnostic Market from 2025 to 2035?

The market is expected to grow at a compound annual growth rate of 18.962% from 2025 to 2035.

Which segment of the US Companion Diagnostic Market holds the highest value in 2024?

The Assays segment is expected to hold the highest market value at approximately 3.5 billion USD in 2024.

What will be the market size of the Kits segment in 2035?

The Kits segment is projected to reach a market size of about 17.68 billion USD by 2035.

Who are the major players in the US Companion Diagnostic Market?

Key players in the market include Illumina, Novartis, BioRad Laboratories, Merck, and Myriad Genetics.

What is the market value of the Reagents segment in 2024?

In 2024, the market value for the Reagents segment is expected to be around 1.4 billion USD.

How much is the Software segment expected to be worth in 2035?

The Software segment is anticipated to reach a market value of approximately 5.59 billion USD by 2035.

What challenges are the US Companion Diagnostic Market likely to face?

Challenges may include regulatory hurdles and complexity in the integration of diagnostic testing with therapeutic treatments.

Which region is predicted to dominate the US Companion Diagnostic Market?

The US market is projected to dominate the Companion Diagnostic space, presenting significant opportunities for growth across various segments.

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