Acute laryngitis

This code represents an acute inflammatory process of the larynx, typically characterized by sudden onset of hoarseness, dysphonia, and sometimes a sore throat or cough. It is usually viral in origin but can also be caused by bacterial infections, vocal strain, or irritants.

Use this code for patients presenting with an acute, self-limiting inflammation of the vocal cords and surrounding laryngeal structures. Documentation should clearly indicate an acute onset of symptoms such as hoarseness, aphonia, or laryngeal discomfort, without evidence of obstruction or chronic inflammation.

• Differentiate carefully between acute laryngitis and acute obstructive laryngitis (croup), as these are Excludes1 conditions.
• Ensure the documentation specifies "acute" to distinguish from chronic laryngitis, which is classified elsewhere.
• Look for provider notes indicating viral etiology or non-specific inflammation of the larynx.