Nontraumatic ischemic infarction of muscle, left hand

This code signifies the death of muscle tissue in the left hand due to a lack of blood supply, not caused by an injury. This condition results from an interruption of arterial flow, leading to cellular necrosis within the muscle fibers of the hand.

Apply this code when documentation confirms a diagnosis of muscle infarction in the left hand, specifically noting a nontraumatic etiology. This typically occurs in scenarios involving vascular compromise such as embolism, thrombosis, or severe atherosclerosis affecting the hand's blood supply.

• Ensure documentation explicitly states "nontraumatic" and specifies the "left hand" to support this code.
• Distinguish from traumatic muscle injuries or other forms of myopathy not related to ischemia.
• Consider sequencing with codes for underlying vascular conditions (e.g., atherosclerosis, embolism) as the primary diagnosis if the infarction is a manifestation of that condition.