TX HB2516

Officially named the "Chris Larkin ALS Act," requires insurers offering Medicare supplement benefit plans to individuals 65+ to also offer the same coverage to individuals under 65 who qualify for Medicare due to end-stage renal disease or amyotrophic lateral sclerosis (ALS)

Standardized Plan A, Plan B, and Plan D Medicare supplement plans must be offered to eligible under-65 individuals at the same premium rate as 65-year-olds; other plans may charge up to 200% of the 65-year-old rate

Creates a six-month open enrollment period beginning when eligible individuals enroll in Medicare Part B, during which insurers cannot deny coverage, impose medical underwriting, require waiting periods, or exclude preexisting conditions

Provides a transitional enrollment period from December 1, 2025, through June 1, 2026, for individuals already enrolled in Medicare Part B due to these conditions when the law takes effect

Applies to Medicare supplement plans delivered, issued, or renewed on or after September 1, 2025; takes effect immediately with two-thirds legislative vote or September 1, 2025