← R49

Chapter 18 - Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)»Symptoms and signs involving speech and voice (R47-R49)»Aphonia (R49.1)

R49.1

Aphonia

Related indications (MeSH) (1)

Aphonia1 drug (1 experimental)

Complete loss of phonation due to organic disease of the larynx or to nonorganic (i.e., psychogenic) causes.