A nexus letter can prove your condition is linked to service or a service-connected disability. Learn when it matters and what makes it strong.

A “nexus” for a veterans disability claim is a link or connection between two or more things. The purpose of the NEXUS letter is to make the connection between your (the veteran's) current medical condition and either a service-connected condition or to an event related to your military service. A successful nexus letter is drafted by a medical professional, has an affirming statement reviewing the veteran’s medical history, provides supporting evidence, references to medica