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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