Other osteonecrosis, left finger(s)

This code signifies the death of bone tissue in one or more fingers of the left hand due to a loss of blood supply, not otherwise specified. This condition can lead to pain, joint collapse, and functional impairment of the affected digit(s).

Assign this code when documentation specifies osteonecrosis affecting the left finger(s) and the specific cause or type of osteonecrosis is not documented or is classified as "other." Supporting documentation would include imaging reports (e.g., X-ray, MRI) confirming avascular necrosis in the left phalanges, along with a physician's diagnosis.

• Ensure laterality is clearly documented for the affected finger(s).
• Do not use this code if a more specific type of osteonecrosis (e.g., post-traumatic, drug-induced) is identified; instead, select the appropriate subcategory.
• Always review the medical record for any underlying conditions that may be contributing to the osteonecrosis, as these may require additional coding.