SSDI has specific medical and work history requirements that determine who can receive benefits. This section explains what those requirements are and how Social Security evaluates them. You'll find information about the medical conditions that SSDI covers, how work history factors in, and what "disability" means under Social Security's definition—which may differ from how you think about disability in other contexts.

The articles here answer questions like: What medical conditions does SSDI cover? How much work history do I need? How does Social Security decide if someone has a disability? What happens during the medical review process? Understanding these requirements helps you know what information matters most when you're learning about SSDI.