Category: R49 - Voice and resonance disorders

 Chapter Notes

 R49

Voice and resonance disorders

psychogenic voice and resonance disorders (F44.4)

 R49.0

Dysphonia

Hoarseness

 R49.1

Aphonia

Loss of voice

 R49.2

Hypernasality and hyponasality

 R49.21

Hypernasality

 R49.22

Hyponasality

 R49.8

Other voice and resonance disorders

 R49.9

Unspecified voice and resonance disorder

Change in voice NOS

Resonance disorder NOS