Aphonia

This code represents the complete loss of voice, where an individual is unable to produce any vocal sounds. It signifies a total absence of phonation, distinct from a partial voice impairment.

Use this code when documentation clearly indicates a patient's complete inability to speak due to a loss of voice. This typically applies to acute or chronic conditions affecting the larynx or vocal cords, resulting in an absolute lack of sound production.

• Differentiate from dysphonia (R49.0), which is a partial impairment of voice.
• Always look for the underlying cause of aphonia and code it as the primary diagnosis if known and treated.
• Ensure documentation specifies "complete loss of voice" or "no vocal sounds" to support this code.