R49.2 is the ICD-10 code for Hypernasality and hyponasality. It is a four-character subcategory of R49 (Voice disturbances), the most specific level in the WHO edition. It belongs to the block R47–R49 (Symptoms and signs involving speech and voice) in Chapter XVIII, Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.
- Code type
- Subcategory (4 characters)
- Chapter
- XVIII · R00–R99
- Classification
- WHO ICD-10, 2019 version
R49.2 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
R49.2Hypernasalitet och hyponasalitet
- R49.2AÖppen nasalitet
- R49.2BBlandad nasalitet
- R49.2CSluten nasalitet
- R49.2DGutturalitet
- R49.2WAnnan specificerad klangstörning
- R49.2XKlangstörning, ospecificerad
R49.2Hypernasal eller hyponasal røst
DR492Snøvlen
R49.2Nenään puhuminen tai nenäsoinnin puuttuminen
R49.2Rhinophonia (aperta) (clausa)
R49.2Hypernasalité et hyponasalité
R49.2hypernasale en hyponasale stem
Listed through more specific codes:
- R49.21Hypernasality
- R49.22Hyponasality
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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