Paralysis of vocal cords and larynx, bilateral

This diagnosis code signifies the complete or partial loss of motor function in both vocal cords and the larynx. This bilateral paralysis impairs the ability to speak and often affects breathing and swallowing due to the compromised airway protection and voice production mechanisms.

Apply this code when documentation clearly indicates bilateral vocal cord paralysis, often presenting with aphonia, severe dysphonia, stridor, or aspiration. Supporting documentation should specify the bilateral nature of the paralysis, typically confirmed by laryngoscopy or other objective laryngeal examination.

• Ensure documentation explicitly states "bilateral" paralysis; unilateral paralysis uses a different code.
• Distinguish from vocal cord paresis (partial paralysis), which also has a distinct code.
• Code any underlying cause of the paralysis (e.g., thyroidectomy complication, neurological disorder) as a secondary diagnosis.