R49.2
Non-billableHypernasality and hyponasality
Hypernasality and hyponasality
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •abnormal findings on antenatal screening of motherO28
- •certain conditions originating in the perinatal periodP04-P96
- signs and symptoms classified in the body system chapters
- •signs and symptoms of breast,N63, N64.5
Child Codes (2)
Related Codes(4)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(2)
Frequently Asked Questions
What is the ICD-10 code for hypernasality and hyponasality?
The ICD-10-CM code for hypernasality and hyponasality is R49.2. The full clinical description is "Hypernasality and hyponasality". R49.2 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code R49.2 mean?
ICD-10-CM code R49.2 represents “Hypernasality and hyponasality”. It is classified under Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings and is a non-billable header code. Use a more specific child code for billing purposes.
Is R49.2 a billable code?
No, R49.2 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 2 child codes under R49.2.
What chapter is R49.2 in?
R49.2 is in Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (codes R00-R99).
What codes cannot be used with R49.2?
R49.2 has Excludes1 notes indicating codes that cannot be used together with it, including: psychogenic voice and resonance disorders (F44.4).
What are the subcategories under R49.2?
R49.2 has 2 child codes, including: R49.21 (Hypernasality), R49.22 (Hyponasality).
What are the UMLS CUIs for R49.2?
R49.2 is linked to 1 UMLS Concept Unique Identifier: C0495696. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does R49.2 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like hypernasality and hyponasality affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of R49.2?
R49.2 maps to the ICD-11 code: MA82.2 (Nasality).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.