Brellium Secures $23M to Expand Clinical-Note Review Technology

Brellium, a New York-based healthcare technology company, has announced a significant funding round, securing $23M in venture capital to expand its innovative CortexLM clinical-note review system. The funding, which was disclosed on October 13, 2026, is led by returning investors Left Lane Capital and First Round Capital, with participation from Digital Health Venture Partners.

CortexLM is designed to streamline the review of clinical notes, ensuring compliance and accuracy before claims are submitted for billing. This system is particularly crucial in the current healthcare landscape, where documentation errors can lead to significant financial repercussions for providers. Brellium's platform aims to identify documentation and compliance issues early in the process, allowing healthcare providers to correct them before they become costly disputes.

With this new capital, Brellium plans to broaden its reach into additional clinical specialties, including cardiology, pain management, and primary care, enhancing its support for various provider groups. The company emphasizes that CortexLM will not only improve compliance with billing standards but also reduce the administrative burden on healthcare professionals, allowing them to focus more on patient care.

Founded in 2021, Brellium has quickly established itself within the healthcare technology space, boasting a user base that includes over 250,000 providers. The company has already demonstrated its value, as evidenced by Headspace's reported increase in compliance from reviewing 2% to 100% of therapy notes after adopting Brellium's system.

The funding announcement follows Brellium's previous success, including a $16.7M Series A round in 2025. The current round highlights the growing investor confidence in the company and its potential to reshape the clinical documentation process. As Brellium seeks to deepen its revenue cycle work and expand its offerings, the focus will remain on integrating its solutions with existing electronic health record (EHR) systems, ensuring a seamless transition for clinics reluctant to adopt new technologies.

Brellium's approach to pre-billing reviews represents a shift in how healthcare providers manage documentation standards and compliance. By catching errors before claims are submitted, Brellium not only protects revenue but also enhances the quality of care delivered to patients. As it moves forward, the company will need to address the varied documentation requirements across different specialties, ensuring that its system is adaptable and relevant in diverse clinical environments.

This latest funding round positions Brellium to capitalize on the growing demand for healthcare technology solutions that improve efficiency and compliance. With the expansion into new specialties and the ongoing development of CortexLM, Brellium is set to play a pivotal role in transforming clinical documentation practices across the healthcare industry.