non-service-connected
(17) The term “non-service-connected” means, with respect to disability or death, that such disability was not incurred or aggravated, or that the death did not result from a disability incurred or aggravated, in line of duty in the active military, naval, air, or space service.
Source
38 USC § 101(17)
Scoping language
None identified, default scope is assumed to be the parent (chapter 1) of this section.