M15 - Polyosteoarthritis
Includes:
-arthritis of multiple sites
Excludes 1:
-bilateral involvement of single joint (M16-M19)
M15.0 - Primary generalized (osteo)arthritis
M15.1 - Heberden's nodes (with arthropathy)
M15.2 - Bouchard's nodes (with arthropathy)
M15.3 - Secondary multiple arthritis
M15.4 - Erosive (osteo)arthritis
M15.8 - Other polyosteoarthritis
M15.9 - Polyosteoarthritis, unspecified