R49.2 Hypernasality and hyponasality

Non-billable header with 2 child codes.

Applies from R49 Voice and resonance disorders

Excludes1 (never code together)

• psychogenic voice and resonance disorders (F44.4)

Codes under R49.2

• R49.21 Hypernasality
• R49.22 Hyponasality

Nearby codes

• R49 Voice and resonance disorders
• R49.0 Dysphonia
• R49.1 Aphonia
• R49.2 Hypernasality and hyponasality (this code)
• R49.21 Hypernasality
• R49.22 Hyponasality
• R49.8 Other voice and resonance disorders
• R49.9 Unspecified voice and resonance disorder