catastrophic injury
(4) “catastrophic injury” means an injury, the direct and proximate result of which is to permanently render an individual functionally incapable (including through a directly and proximately resulting neurocognitive disorder), based on the state of medicine on the date on which the claim is determined by the Bureau, of performing work, including sedentary work: Provided, That, if it appears that a claimant may be functionally capable of performing work— (A) the Bureau shall disregard work where any compensation provided is de minimis, nominal, honorary, or mere reimbursement of incidental expenses, such as— (i) work that involves ordinary or simple tasks, that because of the claimed disability, the claimant cannot perform without significantly more supervision, accommodation, or assistance than is typically provided to an individual without the claimed disability doing similar work; (ii) work that involves minimal duties that make few or no demands on the claimant and are of little or no economic value to the employer; or (iii) work that is performed primarily for therapeutic purposes and aids the claimant in the physical or mental recovery from the claimed disability; and (B) the claimant shall be presumed, absent clear and convincing medical evidence to the contrary as determined by the Bureau, to be functionally incapable of performing such work if the direct and proximate result of the injury renders the claimant— (i) blind; (ii) parapalegic; or (iii) quadriplegic;