Nontraumatic ischemic infarction of muscle, unsp forearm

This code signifies the death of muscle tissue in an unspecified forearm due to a lack of blood supply, not caused by trauma. This condition, often referred to as Volkmann's ischemic contracture in its severe form, results from prolonged ischemia leading to muscle necrosis.

Assign this code when documentation clearly indicates a diagnosis of nontraumatic ischemic infarction of muscle affecting the forearm, and the specific forearm (left or right) is not specified. This typically occurs in cases of compartment syndrome, arterial occlusion, or prolonged compression without an external traumatic event.

• Ensure the documentation explicitly states "nontraumatic" to differentiate from traumatic muscle injuries.
• If the specific forearm (left or right) is documented, use the more specific codes M62.231 (right) or M62.232 (left).
• Code any underlying cause of the ischemia (e.g., compartment syndrome, arterial embolism) as a primary or secondary diagnosis, depending on the circumstances.