Injury of musculocutaneous nerve, left arm, sequela

This code signifies a long-term or residual effect resulting from a past injury to the musculocutaneous nerve in the patient's left arm. This could manifest as persistent weakness, numbness, or altered sensation in the areas innervated by this nerve, such as the biceps, brachialis, and coracobrachialis muscles, and the lateral forearm. The original acute injury has resolved, but its lasting impact remains.

Use this code when documenting a patient presenting with ongoing neurological deficits in the left arm directly attributable to a previous musculocutaneous nerve injury. This is appropriate for follow-up visits where the primary focus is managing the chronic consequences of the nerve damage, rather than the acute injury itself. Examples include persistent muscle weakness, sensory loss, or neuropathic pain in the left forearm and upper arm.

• Always ensure documentation clearly links the current symptoms to a previous musculocutaneous nerve injury.
• Do not use this code for acute injuries; instead, select an appropriate acute injury code.
• Confirm the laterality (left arm) is explicitly documented in the patient's record.