FL S1214

Clarifies that "major contributing cause" means the cause responsible for more than 50 percent of an injury, and requires all preexisting conditions (work-related or not) to be considered in determining causation.

Authorizes employers and carriers to require blood and urine samples following all work-related injuries, with collection and testing costs paid by the employer or carrier regardless of test results.

Establishes post-accident drug testing requirements for employees who sustain work-related injuries, with presumption that injury was drug-occasioned if employee refuses testing unless clear and convincing evidence shows otherwise.

Prohibits awards of permanent total disability benefits if authorized physicians determine the employee can perform light-duty work, while allowing employees to contest their release to light-duty status.

Permits self-insured employers to deduct 20 percent of claimant's wages to recover advance compensation payments and restricts advance payments only to claimants with compensable injuries.