R49 - Voice and resonance disorders
Excludes 1:
-psychogenic voice and resonance disorders F44.4)
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