The ICD-10 code range for Symptoms and signs involving speech and voice R47-R49 is medical classification list by the World Health Organization (WHO).
ICD-10 Code range (R47-R49), Symptoms and signs involving speech and voice contains ICD-10 codes for Voice and resonance disorders, Dysphonia, Aphonia, Hypernasality and hyponasality, Other voice and resonance disorders, Unspecified voice and resonance disorder