Other acute osteomyelitis, left hand

This code signifies an acute inflammatory process of the bone and bone marrow, specifically affecting the left hand, that is not due to a pyogenic (pus-forming) organism. It indicates an infection that has a rapid onset and short duration, distinguishing it from chronic forms of the disease.

Apply this code when documentation clearly states acute osteomyelitis of the left hand, and there is no mention of a specific pyogenic organism as the causative agent. This is appropriate for cases where the infection is recent and localized to the left hand bones. Supporting documentation would include physician notes detailing the diagnosis, location, and acute nature of the osteomyelitis.

• Ensure the documentation specifies "acute" and "left hand" to accurately assign this code.
• Distinguish from chronic osteomyelitis (M86.6-) and osteomyelitis due to specific organisms (e.g., M90.1- for salmonella).
• Always review for laterality; this code is specific to the left hand.