Declares that for a worker to receive benefits for an injury under Title 51, there must be a specific medical diagnosis directly related to the injury that must contribute by a factor of at least fifty percent to the worker's inability to work.

Redefines "permanent total disability".

Adds additional limitations to receiving payment of worker's compensation benefits.

Caps certain recovery of wages under worker's compensation at one hundred four weeks.

Authorizes the department of labor and industries or a self-insurer to offer a worker, or the worker's beneficiary if the worker is deceased, a lump sum settlement to close a worker's compensation claim that has been allowed. A settlement offer accepted by the worker or his or her beneficiary shall discharge the employer of record from any further obligation concerning the claim and release the state and self-insurer from further benefit obligations.