(a) In General.—The Secretary may furnish hyperbaric oxygen therapy available at a military medical treatment facility to a covered member if such therapy is prescribed by a physician to treat post-traumatic stress disorder or traumatic brain injury.

(b) Covered Member Defined.—In this section, the term "covered member" means a member of the armed forces who is—

(1) serving on active duty; and

(2) diagnosed with post-traumatic stress disorder or traumatic brain injury.