HB 556 Montana House · 2025 Regular Session

Generally revise usage of artificial intelligence in certain health insurance

House Bill 556 regulates how health insurance issuers use artificial intelligence (AI) for reviewing and managing healthcare services. It prohibits AI, algorithms, or other software tools from solely determining medical necessity or denying, delaying, or modifying healthcare services. Instead, medical necessity determinations must be made by licensed healthcare professionals, considering individual patient history and circumstances, not just group data. The bill also requires AI tools to be applied fairly, avoid discrimination, and be open to audit, making non-compliance an unfair claim settlement practice.
Bill status died 3 of 5 stages cleared
Introduction
Feb 2025
Committee Review
Feb 2025
House Passage
Mar 2025
Senate Passage
Governor
Introduced Feb 18, 2025 Last action May 20, 2025
Maddy AI version diff · 1 comparison

What changed between versions

LC3970.pdf HB0556_1.pdf · 2 edits
MINOR
The bill was formally renumbered from LC 3970 to HB 556 and updated with a new list of sponsors. A substantive addition was made to the settlement standards, requiring that claims be settled based on the amounts advertised in the insurance application materials, ensuring advertised benefits are honored during disputes.
Scope change
The bill's scope now explicitly includes adherence to advertised benefit amounts during claim settlements, preventing insurers from offering less than what was promised in application materials.
TECHNICAL

The bill number was changed from LC 3970 to HB 556, and the sponsor list was updated to include J. Cohenour, D. Zolnikov, B. Mitchell, K. Sullivan, and K. Bogner.

REQUIREMENT

A new requirement was added stating that insurers cannot attempt to settle claims for less than the amounts a reasonable person would believe they are entitled to based on written or printed advertising material included in the application.

Floor votes · House Mar 1, 2025

How they voted

200
Passed
Total votes 20
Mar 1, 2025
D Democratic8
8 Yea
100% Yea
R Republican12
12 Yea
100% Yea
Vote distribution
All Yea All Nay Mixed No data
Full legislative history

Actions timeline

Total actions
21
Key actions
1
Committee
1
Amendments
1
Mar 1, 2025
House · Passed
House Vote: pass (20-0)
house
Mar 1, 2025
Amended
(H) Tabled in Committee - (H) Business and Labor
lower
Feb 19, 2025
Committee
(H) Referred to Committee - (H) Business and Labor
lower
Feb 18, 2025
Introduced
(H) Introduced
lower
1 primary · 0 co-sponsors

Sponsors

Role
Legislator
Party
State
District
P
Photo of Jill Cohenour
Jill Cohenour
DDemocratic
MT
83