Voice and resonance disorders - R49

 Type 1 Excludes

• psychogenic voice and resonance disorders (F44.4)

 Codes

• R49.0 - Dysphonia
• R49.1 - Aphonia
• 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