U.S. Traumatic Brain Injury Biomarkers Market Size, Share & Trends Analysis Report By Type (Protein Biomarkers, Genetic Biomarkers, Metabolomic Biomarkers), By Sample Type, By Application, By End Use, And Segment Forecasts, 2025 - 2033

Market Size & Trends

The U.S. traumatic brain injury biomarkers market size was estimated at USD 409.60 million in 2024, is projected to reach 1.85 billion by 2033, and is forecasted to grow at a CAGR of 18.8% from 2025 to 2033. The U.S. traumatic brain injury (TBI) biomarkers market is expanding significantly due to increasing demand for pediatric TBI diagnosis, growing awareness and funding related to brain injury, and accelerating collaboration between academic institutions and industry.

TBI refers to an unintentional impact to the head that can lead to outcomes ranging from mild impairment to severe neurological damage or even death. According to a report by the Brain Injury Association America, 2025, the U.S. reported approximately 11.4 million individuals over the age of 40 who experienced a traumatic brain injury (TBI) resulting in loss of consciousness are currently living with a disability. In addition, around 2.9 million TBI-related emergency department visits are reported each year, indicating the significant healthcare burden associated with brain injuries.

Children and adolescents are particularly vulnerable to TBIs from falls, sports injuries, and accidents, yet symptoms can be subtle or delayed. Every year in the U.S., pediatric TBI leads to an estimated 500,000 emergency department visits. While children have a lower overall mortality rate, accounting for about 5% of all TBI-related deaths, the broader impact is more evident when considering years of life lost and years lived with disability. These long-term effects are notably greater in children than in adults, with the serious and lasting burden pediatric TBI poses on public health and quality of life. Pediatric care providers are increasingly turning to biomarker diagnostics to make safer and faster decisions, especially to reduce unnecessary radiation exposure from CT scans.

Blood-based biomarkers offer a non-invasive, objective method to assess injury risk and severity in young patients. A collaborative study conducted in June 2024, by renowned hospitals in Switzerland and Spain, discovered potential blood biomarkers that could significantly improve the diagnosis and management of mild traumatic brain injury (mTBI) in children. This multi-center research, involving ABCDx, the University of Geneva, and Vall d'Hebron Hospital, highlighted the potential of these blood biomarkers to accurately differentiate children with intracranial injuries (ICI) from those without. This reduced unnecessary CT scans and shorter hospital observation periods, improving efficiency in pediatric mTBI care.

Strong collaboration between research universities, biotech companies, and healthcare providers is advancing biomarker validation and commercialization. Institutions are working with biotech and diagnostics companies to translate laboratory discoveries into clinical tests. A new clinical trial holds significant promise for advancing the diagnosis and treatment of TBI. Focused on evaluating innovative diagnostic tools or therapeutic approaches, this trial could pave the way for more effective and timely interventions, potentially transforming patient outcomes in acute and long-term TBI management. These partnerships help accelerate clinical trials, FDA submissions, and market entry. In addition, shared data resources and biobanks support longitudinal studies that strengthen biomarker credibility. The U.S. ecosystem’s ability to foster innovation through public-private-academic collaboration is a major competitive advantage in expanding the TBI biomarker market.

A convergence of medical, social, and institutional factors drives rising funding for TBI biomarkers in the U.S. market. Growing public awareness of TBIs' long-term consequences, particularly in sports and military populations, has amplified demand for more accurate and timely diagnostic tools. Traditional imaging often falls short in detecting mild or early-stage injuries, creating a critical need for biomarker-based solutions to provide objective, rapid, and non-invasive assessments. In February 2024, government agencies such as the Congressionally Directed Medical Research Programs (CDMRP) and the U.S. Army Medical Research and Development Command (USAMRDC) have increased investments in initiatives like the Traumatic Brain Injury and Psychological Health Research Program (TBIPHRP). These efforts aim to advance early detection, treatment, and prevention strategies, while also addressing the psychological effects of TBI. Coupled with growing commercialization potential and venture capital interest, this influx of funding is accelerating innovation and reshaping the TBI biomarker landscape in the United States.

U.S. Traumatic Brain Injury Biomarkers Market Report Segmentation

This report forecasts revenue growth at country levels and provides an analysis of the latest industry trends in each of the sub-segments from 2021 to 2033. For this study, the analyst has segmented U.S. traumatic brain injury biomarkers market report based on type, sample type, application, and end use:

Type Outlook (Revenue, USD Million, 2021 - 2033)

• Protein Biomarkers
• Genetic Biomarkers
• Metabolomic Biomarkers

Sample Type Outlook (Revenue, USD Million, 2021 - 2033)

• Blood-based
• Cerebrospinal fluid (CSF)-based
• Urine-based

Application Outlook (Revenue, USD Million, 2021 - 2033)

• Diagnosis
• Prognosis
• Monitoring treatment response

End Use Outlook (Revenue, USD Million, 2021 - 2033)

• Hospitals & Clinics
• Diagnostic Laboratories
• Research Institutes

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