The Social Security Administration (SSA) does not approve disability claims based solely on a diagnosis. Instead, it evaluates claims against the Listing of Impairments, known as the Blue Book, which specifies precise medical criteria for each condition. Pekas Smith, an Arizona disability law firm, has released guidance explaining which conditions qualify for disability under the Blue Book and what evidence the SSA requires.
The Blue Book covers 14 adult body system categories, including musculoskeletal disorders, respiratory disorders, cardiovascular system, neurological disorders, mental disorders, and immune system disorders, among others. Each listing defines diagnostic criteria, severity thresholds, and functional limitations that applicants must demonstrate. A diagnosis alone is rarely sufficient; medical records must show that the impairment meets or medically equals every criterion in the relevant listing.
Alongside standard listings, the SSA administers a Compassionate Allowances list that accelerates claims for severe conditions where the diagnosis itself satisfies the disability standard. This list includes aggressive cancers such as pancreatic cancer and acute leukemia, early-onset Alzheimer's disease, ALS, and rare genetic disorders. However, even for Compassionate Allowances, adequate supporting medical documentation is required.
Tye Smith, founding partner at Pekas Smith, emphasized that a diagnosis on the Blue Book is only the starting point. "We frequently work with claimants whose conditions are on a listing but whose medical records do not document the specific findings the SSA needs to see. The difference between approval and denial often comes down to whether the treating physician's notes capture the right details about severity and functional impact."
For applicants whose conditions do not satisfy a Blue Book listing, eligibility may still be possible through a medical-vocational allowance. Under this pathway, the SSA assesses the combined effect of impairments on the ability to perform past work or transition to other employment. This approach accounts for a significant portion of approvals, especially for older applicants and those with limited education or work experience.
A full reference to the Blue Book impairments and the firm's analysis of common listings is available on its website. Additional educational articles covering disability qualification and evidence requirements can be found on the firm's blog. General information on Arizona SSDI eligibility is also available.
