M19.9 - Osteoarthritis, unspecified site M19 - Other and unspecified osteoarthritis M19.9 - Osteoarthritis, unspecified site
M19.90 - Unspecified osteoarthritis, unspecified site M19.91 - Primary osteoarthritis, unspecified site M19.92 - Post-traumatic osteoarthritis, unspecified site M19.93 - Secondary osteoarthritis, unspecified site