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CA SB503

CA SB503
Health care services: artificial intelligence.


summary

Introduced
02/19/2025
In Committee
08/29/2025
Crossed Over
05/29/2025
Passed
08/25/2026
Dead

Introduced Session

2025-2026 Regular Session

Bill Summary

An act to add Chapter 25.3 (commencing with Section 22758) to Division 8 of the Business and Professions Code, relating to health care services.

AI Summary

This bill requires developers and deployers of artificial intelligence (AI) systems used for clinical decision support, meaning AI that aids in diagnosis or treatment decisions, to take reasonable steps to identify and mitigate potential biases that could negatively impact patients based on protected characteristics. Developers must provide deployers with information about the system's intended uses, risks, training data, evaluation methods, and bias mitigation efforts. Deployers must regularly monitor these AI systems for bias and take action to address it. Both developers and deployers are responsible for reporting their compliance efforts to the state starting in 2027, and these reports will be made public. The bill defines key terms like "developer" (those who create or significantly modify AI for health use) and "deployer" (healthcare entities that use these AI systems), and clarifies that this law is in addition to existing anti-discrimination laws.

Committee Categories

Budget and Finance, Business and Industry, Government Affairs, Health and Social Services, Justice

Sponsors (12)

Last Action

Assembly amendments concurred in. (Ayes 39. Noes 0.) Ordered to engrossing and enrolling. (on 08/25/2026)

Bill Topics

Civil Rights, Minority Issues, and Civil Liberties
  • ‐ General Civil Rights
Health
  • ‐ Regulation of Doctors and Health Facilities

bill text


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