R49.21
BillableHypernasality
Hypernasality
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- psychogenic voice and resonance disorders (F44.4)
Also Known As / Clinical Terms
SNOMED CT
- Hyper-rhinolalia25728009
- Hypernasality25728009
- Hypernasality syndrome25728009
- Open nasality25728009
- Rhinolalia aperta25728009
- Hypernasality syndrome due to velopharyngeal incoordination48916002
- Hypernasality of vowels and voiced consonants59790002
- Hypernasality syndrome due to neurologic disease64465004
- Nasal resonatory disorder66034004
- Hypernasality syndrome due to velopharyngeal weakness78855007
- Hypernasal voice229645001
- Hypernasality and hyponasality274573005
- Finding of resonance of voice289189007
- Observations of resonance of voice289189007
- Nasal voice289190003
Frequently Asked Questions
What is the ICD-10 code for hypernasality?
The ICD-10-CM code for hypernasality is R49.21. The full clinical description is "Hypernasality". R49.21 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code R49.21 mean?
ICD-10-CM code R49.21 represents "Hypernasality". It is classified under Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings and is a billable/specific code that can be used on a claim.
Is R49.21 a billable code?
Yes, R49.21 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is R49.21 in?
R49.21 is in Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (codes R00-R99).
What codes cannot be used with R49.21?
R49.21 has Excludes1 notes indicating codes that cannot be used together with it, including: psychogenic voice and resonance disorders (F44.4).
What SNOMED CT codes does R49.21 map to?
R49.21 maps to 10 SNOMED CT concepts: 289189007, 25728009, 229645001, 274573005, 59790002, and 5 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for R49.21?
R49.21 is linked to 1 UMLS Concept Unique Identifier: C0264614. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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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.