R49 — ICD-10-CM Diagnosis Codes

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