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US Immunoassay Market

ID: MRFR/MED/48765-HCR
200 Pages
Garvit Vyas
February 2026

US Immunoassay Market Research Report By Type (Enzyme-Linked Immunosorbent Assay, Radioimmunoassay, Fluorescent Immunoassay, Chemiluminescent Immunoassay, Western Blot), By Technology (Automated Immunoassay, Point of Care Immunoassay, Lateral Flow Assay), By Application (Clinical Diagnostics, Drug Development, Environmental Testing, Food Safety Testing) and By End Use (Hospitals, Diagnostic Laboratories, Pharmaceutical Companies, Academic Research Institutions) - Growth & Industry Forecast 2025 To 2035

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US Immunoassay Market Summary

As per Market Research Future analysis, the US immunoassay market Size was estimated at 6.5 USD Billion in 2024. The US immunoassay market is projected to grow from 6.77 USD Billion in 2025 to 10.2 USD Billion by 2035, exhibiting a compound annual growth rate (CAGR) of 4.1% during the forecast period 2025 - 2035

Key Market Trends & Highlights

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

  • Technological advancements are enhancing the sensitivity and specificity of immunoassays, thereby improving diagnostic accuracy.
  • Point-of-care testing is gaining traction, facilitating rapid results and increasing accessibility for patients.
  • Regulatory support is fostering innovation and expediting the approval process for new immunoassay products.
  • The rising prevalence of chronic diseases and growing demand for personalized medicine are key drivers propelling market expansion.

Market Size & Forecast

2024 Market Size 6.5 (USD Billion)
2035 Market Size 10.2 (USD Billion)
CAGR (2025 - 2035) 4.18%

Major Players

Abbott Laboratories (US), Roche Diagnostics (CH), Siemens Healthineers (DE), Thermo Fisher Scientific (US), Danaher Corporation (US), Bio-Rad Laboratories (US), Ortho Clinical Diagnostics (US), PerkinElmer (US)

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US Immunoassay Market Trends

The immunoassay market is currently experiencing notable growth, driven by advancements in technology and increasing demand for rapid diagnostic tests. The rise in chronic diseases and the need for early detection are propelling the adoption of immunoassay techniques across various healthcare settings. Furthermore, the integration of automation and digital solutions is enhancing the efficiency and accuracy of testing processes. This trend appears to be supported by a growing emphasis on personalized medicine, which necessitates precise and reliable diagnostic tools. As healthcare providers seek to improve patient outcomes, the immunoassay market is likely to expand, reflecting the ongoing evolution of diagnostic methodologies. In addition, regulatory support and funding initiatives from government bodies are fostering innovation within the immunoassay sector. The focus on developing point-of-care testing solutions is particularly noteworthy, as it aligns with the broader healthcare trend of decentralizing diagnostics. This shift may lead to increased accessibility and convenience for patients, ultimately transforming the landscape of disease management. As the market continues to evolve, stakeholders must remain vigilant to emerging technologies and changing consumer preferences, which could shape future developments in the immunoassay market.

Technological Advancements

Recent innovations in assay technologies are enhancing the sensitivity and specificity of immunoassays. These advancements are likely to improve diagnostic accuracy, thereby increasing their adoption in clinical laboratories.

Point-of-Care Testing

The trend towards point-of-care testing is gaining momentum, as it offers rapid results and convenience for patients. This shift is expected to drive demand for immunoassay products that can be utilized outside traditional laboratory settings.

Regulatory Support

Government initiatives aimed at streamlining the approval process for diagnostic tests are fostering growth in the immunoassay market. This regulatory support may encourage the development of novel assays and expand market opportunities.

US Immunoassay Market Drivers

Rising Prevalence of Chronic Diseases

The increasing incidence of chronic diseases such as diabetes, cardiovascular disorders, and autoimmune conditions is a primary driver for the immunoassay market. As these diseases require regular monitoring and management, the demand for diagnostic tools that can provide accurate and timely results is surging. According to recent data, chronic diseases account for approximately 70% of all deaths in the US, highlighting the urgent need for effective diagnostic solutions. This trend is likely to propel the growth of the immunoassay market, as healthcare providers seek reliable methods to diagnose and monitor these conditions. Furthermore, advancements in immunoassay technologies are expected to enhance the accuracy and efficiency of disease detection, further driving market expansion.

Growing Demand for Personalized Medicine

The shift towards personalized medicine is significantly influencing the immunoassay market. As healthcare providers increasingly focus on tailored treatment plans based on individual patient profiles, the need for precise diagnostic tools becomes paramount. Immunoassays play a crucial role in identifying biomarkers that guide treatment decisions, thereby enhancing patient outcomes. The market for personalized medicine is expected to grow at a CAGR of over 10% in the coming years, indicating a robust demand for immunoassay technologies. This trend suggests that the immunoassay market will likely expand as more healthcare professionals adopt these tests to provide customized care, aligning with the broader movement towards personalized healthcare.

Rising Awareness of Preventive Healthcare

There is a growing awareness of preventive healthcare among the US population, which is likely to impact the immunoassay market positively. As individuals become more proactive about their health, the demand for diagnostic tests that facilitate early disease detection is increasing. Public health campaigns and educational initiatives are contributing to this trend, encouraging people to undergo regular health screenings. This shift towards preventive measures is expected to drive the utilization of immunoassays, as they provide critical information for early diagnosis and intervention. Consequently, the immunoassay market may experience substantial growth as more individuals seek out these tests as part of their routine healthcare.

Technological Innovations in Assay Development

Technological innovations in assay development are driving the evolution of the immunoassay market. The introduction of novel techniques such as multiplex assays, which allow simultaneous detection of multiple analytes, is enhancing the efficiency and effectiveness of diagnostic testing. These advancements are not only improving the speed of results but also increasing the accuracy of disease detection. The market for multiplex immunoassays is projected to grow significantly, reflecting the demand for more comprehensive testing solutions. Furthermore, the integration of automation and artificial intelligence in assay development is expected to streamline processes, reduce human error, and ultimately drive the growth of the immunoassay market.

Increased Investment in Healthcare Infrastructure

The US government and private sector are significantly investing in healthcare infrastructure, which is likely to bolster the immunoassay market. Enhanced funding for hospitals, laboratories, and research institutions is facilitating the adoption of advanced diagnostic technologies. For instance, the US healthcare expenditure is projected to reach $4.3 trillion by 2025, with a substantial portion allocated to diagnostic services. This investment is expected to improve access to immunoassay testing, thereby increasing its utilization in clinical settings. Additionally, the establishment of new laboratories and diagnostic centers is anticipated to create a favorable environment for the growth of the immunoassay market, as more facilities will be equipped to perform these tests.

Market Segment Insights

By Type: Chemiluminescent Immunoassay (Largest) vs. Fluorescent Immunoassay (Fastest-Growing)

In the US immunoassay market, Chemiluminescent Immunoassay holds the largest market share due to its high sensitivity and rapid results. Enzyme-Linked Immunosorbent Assay is another significant player, while Western Blot and Radioimmunoassay comprise a smaller portion of the market. Overall, the distribution varies, with Chemiluminescent technologies leading in diagnostics. Looking forward, Fluorescent Immunoassay is emerging as the fastest-growing segment, driven by advancements in imaging technologies and the increasing demand for point-of-care testing. The trend toward automation and the development of more sensitive reagents further boost growth. As healthcare facilities seek quicker diagnoses, Fluorescent Immunoassays are set to capture a larger share of the market, redefining diagnostics in the sector.

Chemiluminescent Immunoassay (Dominant) vs. Fluorescent Immunoassay (Emerging)

Chemiluminescent Immunoassay is highly regarded for its superior sensitivity and efficiency in detecting biomarkers, making it the dominant technology in the US immunoassay market. Its ability to deliver results with minimal sample volume while maintaining accuracy positions it as a preferred choice for various diagnostic applications. In contrast, Fluorescent Immunoassay is gaining traction as an emerging technology, appealing to laboratories and clinics for its rapid results and ease of use. The simplicity of workflow and capacity for multiplexing in Fluorescent Immunoassay supports its adoption and reflects a trend towards innovative diagnostic solutions that enhance patient care.

By Technology: Automated Immunoassay (Largest) vs. Point of Care Immunoassay (Fastest-Growing)

In the US immunoassay market, the distribution of market share among the technology segment values reveals a very competitive landscape. Automated Immunoassay continues to hold the largest share thanks to its efficiency and accuracy, making it the preferred choice in laboratory settings. Point of Care Immunoassay, while smaller in current share, is rapidly gaining traction due to its convenience and the growing demand for immediate diagnostic results, especially in emergency medical settings. Growth trends indicate a shift towards more accessible and automated diagnostic solutions, with the introduction of innovative technologies enhancing the capabilities of Point of Care Immunoassay. The increasing geriatric population and rising prevalence of chronic diseases are significant drivers fueling the demand for both Automated and Point of Care Immunoassay technologies. Additionally, the ongoing advancements in assay methods and favorable healthcare policies facilitate market expansion and propel the adoption of advanced immunoassays.

Technology: Automated Immunoassay (Dominant) vs. Point of Care Immunoassay (Emerging)

Automated Immunoassay, being the dominant segment, is characterized by its high throughput and minimal human intervention, which enhances workflow efficiency in laboratories. This technology employs sophisticated equipment to perform multiple tests quickly and reliably, catering to the needs of large testing facilities. On the other hand, Point of Care Immunoassay is an emerging segment that emphasizes rapid testing capabilities and user-friendly designs, allowing healthcare providers to deliver quick results directly at the patient's location. The growth of this segment is driven by a heightened focus on patient-centric care and the move towards decentralized testing, making it a key player in the future landscape of the US immunoassay market.

By Application: Clinical Diagnostics (Largest) vs. Drug Development (Fastest-Growing)

In the US immunoassay market, Clinical Diagnostics represents the largest segment by a significant margin, driven by the increasing demand for accurate and efficient disease diagnosis. This segment encompasses a wide range of applications, including routine testing and complex disease detection, capturing a substantial market share. In contrast, Drug Development has emerged as the fastest-growing segment due to the rising need for innovative drugs and therapies, contributing to advancements in pharmacogenomics and personalized medicine. The growth trends in the US immunoassay market are largely attributed to technological advancements, regulatory support, and growing healthcare expenditure. Increased awareness of health and fitness, along with a surge in chronic diseases, has propelled Clinical Diagnostics. Meanwhile, the expansion in Drug Development is driven by a focus on precision medicine, necessitating sophisticated testing methods, and a surge in collaborations between biotechnology firms and research institutions dedicated to drug discovery and validation.

Clinical Diagnostics: Dominant vs. Drug Development: Emerging

Clinical Diagnostics is characterized by its robust infrastructure and established protocols that ensure high reliability and accuracy in testing. This segment has a well-defined market presence owing to existing regulatory frameworks and a plethora of testing options available, catering to various healthcare needs. On the other hand, Drug Development represents an emerging but dynamic sector within the US immunoassay market. It is characterized by rapid innovation and high adaptability to technological advancements. Companies in this space are focused on developing tests that support drug efficacy and safety assessment, driving significant funding and research efforts that emphasize personalized medical solutions.

By End Use: Hospitals (Largest) vs. Diagnostic Laboratories (Fastest-Growing)

In the US immunoassay market, the distribution of market share among end-use segments is notably varied. Hospitals hold the largest market share as they are primary users of immunoassay technologies, leveraging these tests for patient diagnosis and management. Diagnostic laboratories also play a crucial role, providing specialized testing services that cater to a wide range of medical needs and disease detection, thereby maintaining a significant portion of the market share. Growth trends within this segment are primarily driven by an increasing demand for rapid and accurate diagnostic testing across healthcare facilities. Hospitals continue to invest in advanced immunoassay technologies to enhance their testing capabilities. Meanwhile, diagnostic laboratories are experiencing rapid growth as they increasingly adopt automation and high-throughput testing solutions to meet rising patient demand, positioning them as the fastest-growing segment alongside hospitals.

Hospitals: Dominant vs. Diagnostic Laboratories: Emerging

Hospitals represent the dominant force in the end-use segment of the US immunoassay market, characterized by their comprehensive integration of immunoassay tests in routine patient care. With their extensive infrastructure and access to vast patient populations, hospitals utilize these assays for a range of diagnostic purposes, including infectious disease testing and chronic disease management. In contrast, diagnostic laboratories are emerging as a vital segment, driven by technological advancements and a specialization in niche testing services. They are increasingly adopting innovative immunoassay technologies to provide rapid and precise results. This shift enables them to compete effectively against larger healthcare facilities and cater to the growing demand for specialized tests, making them a significant player in the market.

Get more detailed insights about US Immunoassay Market

Key Players and Competitive Insights

The immunoassay market exhibits a dynamic competitive landscape characterized by rapid innovation and strategic collaborations among key players. Major companies such as Abbott Laboratories (US), Roche Diagnostics (CH), and Thermo Fisher Scientific (US) are at the forefront, leveraging their extensive research capabilities and technological advancements to enhance product offerings. Abbott Laboratories (US) focuses on expanding its diagnostic portfolio through strategic partnerships, while Roche Diagnostics (CH) emphasizes innovation in personalized healthcare solutions. Thermo Fisher Scientific (US) is actively pursuing digital transformation initiatives to streamline operations and improve customer engagement, collectively shaping a competitive environment that prioritizes technological advancement and customer-centric solutions. Key business tactics within the immunoassay market include localizing manufacturing and optimizing supply chains to enhance operational efficiency. The market structure appears moderately fragmented, with several players vying for market share. However, the collective influence of major companies like Danaher Corporation (US) and Siemens Healthineers (DE) is notable, as they implement strategies that not only enhance their market presence but also drive overall market growth through competitive pricing and innovative product development. In October 2025, Danaher Corporation (US) announced the acquisition of a leading immunoassay technology firm, a move that is likely to bolster its capabilities in the diagnostics sector. This acquisition is strategically significant as it allows Danaher to integrate advanced technologies into its existing product lines, thereby enhancing its competitive edge and expanding its market reach. The integration of new technologies could potentially lead to improved diagnostic accuracy and faster turnaround times, aligning with current market demands for efficiency and reliability. In September 2025, Siemens Healthineers (DE) launched a new line of immunoassay analyzers designed to improve throughput and reduce operational costs for laboratories. This strategic initiative reflects Siemens' commitment to innovation and operational excellence, positioning the company to capture a larger share of the market. The introduction of these analyzers is expected to meet the growing demand for high-quality diagnostic solutions, thereby reinforcing Siemens' competitive position in the immunoassay landscape. In November 2025, Roche Diagnostics (CH) unveiled a partnership with a leading tech firm to develop AI-driven diagnostic tools. This collaboration is indicative of Roche's strategic focus on integrating artificial intelligence into its product offerings, which may enhance diagnostic accuracy and efficiency. The partnership not only underscores Roche's commitment to innovation but also highlights a broader trend within the industry towards the adoption of advanced technologies to improve patient outcomes and streamline laboratory processes. As of November 2025, current competitive trends in the immunoassay market are increasingly defined by digitalization, sustainability, and the integration of AI technologies. Strategic alliances are playing a crucial role in shaping the landscape, enabling companies to pool resources and expertise to drive innovation. Looking ahead, competitive differentiation is likely to evolve from traditional price-based competition to a focus on technological innovation, supply chain reliability, and enhanced customer engagement. This shift suggests that companies that prioritize these aspects will be better positioned to thrive in an increasingly competitive environment.

Key Companies in the US Immunoassay Market include

Industry Developments

The US Immunoassay Market has seen notable developments in recent months. In October 2023, Quidel Corporation announced the launch of a new point-of-care immunoassay that enhances rapid diagnostics for respiratory illnesses, responding to increased demand for efficient testing solutions. In September 2023, Abbott Laboratories showcased its advancements in COVID-19 immunoassay technology, emphasizing faster result times, which is crucial in managing public health concerns.

Additionally, in August 2023, Thermo Fisher Scientific debuted a streamlined immunoassay platform aimed at improving laboratory workflows and increasing throughput. Mergers and acquisitions have also shaped the market; for instance, in July 2023, Merck KGaA completed its acquisition of a small biotech firm focused on immunoassay technology, positioning itself strategically for future growth.

Companies like Siemens Healthineers and Roche Diagnostics continue to invest heavily in Research and Development, further advancing innovations within the market. The increasing prevalence of chronic diseases in the US, alongside advancements in technology, is significantly driving the immunoassay market's growth, further solidifying the competitive landscape among key players such as Hologic, BioRad Laboratories, and Danaher Corporation.

Future Outlook

US Immunoassay Market Future Outlook

The Immunoassay Market is projected to grow at 4.18% CAGR from 2025 to 2035, driven by technological advancements, increasing demand for diagnostics, and rising healthcare expenditure.

New opportunities lie in:

  • Development of point-of-care testing devices for rapid diagnostics. Integration of AI in immunoassay platforms for enhanced accuracy. Expansion of immunoassay applications in personalized medicine and therapeutics.

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

Market Segmentation

US Immunoassay Market Type Outlook

  • Enzyme-Linked Immunosorbent Assay
  • Radioimmunoassay
  • Fluorescent Immunoassay
  • Chemiluminescent Immunoassay
  • Western Blot

US Immunoassay Market End Use Outlook

  • Hospitals
  • Diagnostic Laboratories
  • Pharmaceutical Companies
  • Academic Research Institutions

US Immunoassay Market Technology Outlook

  • Automated Immunoassay
  • Point of Care Immunoassay
  • Lateral Flow Assay

US Immunoassay Market Application Outlook

  • Clinical Diagnostics
  • Drug Development
  • Environmental Testing
  • Food Safety Testing

Report Scope

MARKET SIZE 2024 6.5(USD Billion)
MARKET SIZE 2025 6.77(USD Billion)
MARKET SIZE 2035 10.2(USD Billion)
COMPOUND ANNUAL GROWTH RATE (CAGR) 4.18% (2025 - 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 Billion
Key Companies Profiled Abbott Laboratories (US), Roche Diagnostics (CH), Siemens Healthineers (DE), Thermo Fisher Scientific (US), Danaher Corporation (US), Bio-Rad Laboratories (US), Ortho Clinical Diagnostics (US), PerkinElmer (US)
Segments Covered Type, Technology, Application, End Use
Key Market Opportunities Advancements in point-of-care testing technologies enhance accessibility in the immunoassay market.
Key Market Dynamics Technological advancements and regulatory changes drive innovation and competition in the immunoassay market.
Countries Covered US
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FAQs

What is the expected market size of the US Immunoassay Market in 2024?

The US Immunoassay Market is expected to be valued at 4.04 USD Billion in 2024.

What will be the projected market size of the US Immunoassay Market by 2035?

By 2035, the US Immunoassay Market is projected to reach a value of 6.37 USD Billion.

What is the expected compound annual growth rate (CAGR) for the US Immunoassay Market from 2025 to 2035?

The expected CAGR for the US Immunoassay Market from 2025 to 2035 is 4.223%.

Which segment of the US Immunoassay Market is the largest by type in 2024?

The Enzyme-Linked Immunosorbent Assay segment is the largest, valued at 1.122 USD Billion in 2024.

What is the market value of the Chemiluminescent Immunoassay segment in 2024?

The Chemiluminescent Immunoassay segment is valued at 1.042 USD Billion in 2024.

Who are the key players in the US Immunoassay Market?

Major players include Abbott Laboratories, Roche Diagnostics, and Thermo Fisher Scientific, among others.

What is the expected market value of the Western Blot segment in 2035?

The Western Blot segment is expected to reach a market value of 1.256 USD Billion by 2035.

What opportunities exist for growth in the US Immunoassay Market?

Growth opportunities in the market are driven by advancements in technology and increasing demand for diagnostics.

How will the demand for immunoassays evolve in the coming years?

The demand for immunoassays is expected to rise due to the growing prevalence of chronic diseases and the need for accurate testing.

What are the projected market values for the Radioimmunoassay segment from 2024 to 2035?

The Radioimmunoassay segment is projected to be valued at 0.641 USD Billion in 2024 and 0.951 USD Billion by 2035.

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