Also known as: Thumb Osteoarthritis / Osteoarthritis Thumb / Osteoarthritis NOS: [hand] or [finger] or [thumb] / Thumb osteoarthritis NOS (disorder) / O/A / OA / Osteoarthritis NOS, of unspecified site (disorder) / Osteoarthritis, unspecified site / Osteoarthritis (M15-M19) / Osteoarthritis NOS / [Joint degeneration] or [osteoarthritis NOS] / Degenerative joint disease / Degenerative arthropathy (disorder) / Osteoarthrosis, unspecified whether generalized or localized / Osteoarthrosis / Osteoarthritis / Osteoarthritis (& [allied disorders]) / Proliferative arthritis (disorder) / Arthrosis NOS / Osteoarthritis NOS (disorder) / Osteoarthritis (disorder) / Degenerative polyarthritis (disorder) / Osteoarthrosis (disorder) / Degenerative joint disease (disorder)