Free Medical Coding > ICD10 CM > 2024 ICD-10-CM Codes > 2024 ICD-10-CM Codes R00-R99 – Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99) > 2024 ICD-10-CM Codes R47-R49 – Symptoms and signs involving speech and voice (R47-R49) > 2024 ICD-10-CM Codes R49 – Voice and resonance disorders (R49) > 2024 ICD-10-CM Codes R49.2 – Hypernasality and hyponasality (R49.2)