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Home / Viz HCM

Viz HCM

End-to-end approach for detecting and directing hypertrophic cardiomyopathy (HCM) patients.

Increasing awareness and reach for a potentially fatal, yet commonly missed disease

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Potentially fatal, yet commonly missed disease

1 Million people in the US suffer from hypertrophic cardiomyopathy (HCM). Only 20% of those have been diagnosed, with 5 years to diagnosis.

HCM is a leading cause of sudden cardiac death in people under age 35, but if detected early and treated, patients can achieve high quality of life and normal longevity.

End-to-end approach for detecting suspected HCM and directing patients

Viz HCM analyzes all 12-lead ECGs throughout the health system to flag and triage suspected cases to HCM specialists for diagnostic workup, all from the mobile app.

Flag suspected HCM: Review patients identified by AI as having signals of HCM

Follow Up: Direct patients to the HCM specialist for additional workup

Accelerate Diagnosis: View echo images and reports to diagnose HCM

Viz HCM Algorithm Development and Performance

Robust Al Development

  • 830k+ ECG exams from 300k individuals
  • Covering non-obstructive and obstructive HCM

Diverse Dataset

  • Sourced from multiple locations globally
  • Included racial & ethnic differences seen in PQRST-wave morphologies

Gold Standard Validated

  • Echocardiography
  • Cardiac MRIs


Category III CPT® Codes for Assistive Algorithmic Electrocardiogram for Cardiac Dysfunction

Diagnosis, Therapeutics & Enhanced Pathways

Category III CPT codes support the adoption and potential reimbursement of emerging technologies. Effective January 1, 2025, codes +0764T and 0765T are included in the Hospital Outpatient Prospective Payment and Ambulatory Surgical Center Payment Systems - marking a key step forward for ECG-AI in clinical care.

CPT: +0764T
Description: Assistive algorithmic electrocardiogram risk-based assessment for cardiac dysfunction (eg, low-ejection fraction, pulmonary hypertension, hypertrophic cardiomyopathy); related to concurrently performed electrocardiogram

CPT: 0765T
Description: Assistive algorithmic electrocardiogram risk-based assessment for cardiac dysfunction (eg, low-ejection fraction, pulmonary hypertension, hypertrophic cardiomyopathy); related to previously performed electrocardiogram

+Signifies an add-on code

This information is provided for informational purposes only and is not intended to be legal, medical, or financial advice. The determination of coverage, coding, and reimbursement for procedures and services is the responsibility of the healthcare provider. Providers should consult with their legal counsel, coding specialists, and specific payer policies (e.g., Medicare, Medicaid, private insurers) to ensure accurate coding and billing. Reimbursement is not guaranteed. CPT codes are owned and copyrighted by the American Medical Association (AMA).

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