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 Speech disturbances, not elsewhere classified, Dysphasia and aphasia, Dysarthria and anarthria, Other speech disturbances, Unspecified speech disturbances