R49.1
BillableAphonia
Aphonia
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Loss of voice
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
- Spastic aphonia610000
- Aphonia paralytica23187009
- Absence of voice44564008
- Does not phonate44564008
- Does not produce voice44564008
- Does not vocalise44564008
- Does not vocalize44564008
- Loss of voice44564008
- Apraxia of phonation74227009
- Apraxia of speech74227009
- Apraxic aphonia74227009
- Verbal apraxia74227009
- Hyperkinetic aphonia229638001
- Hypofunctional aphonia229639009
- Hyperfunctional aphonia229640006
- Unable to phonate286327002
- Unable to produce voice286327002
- Unable to vocalise286327002
- Unable to vocalize286327002
- Unable to produce voiced sounds306755002
- Finding related to ability to produce voiced sounds365020008
- Generalised dystonia425492002
- Generalized dystonia425492002
- Aphonia441913003
- Aphonia, deafness, retinal dystrophy, bifid halluces, intellectual disability syndrome773583007
- Aphonia, deafness, retinal dystrophy, duplicated halluces, intellectual disability syndrome773583007
- Aphonia, hearing loss, retinal dystrophy, duplicated halluces, intellectual disability syndrome773583007
- Dystonia aphonia syndrome782718007
UMLS
- Absence of VoiceC0003564
- Absence of voiceC0003564
- AphoniaC0003564
- Aphonia (disorder)C0003564
- Does not phonateC0003564
- Does not produce voiceC0003564
- Does not vocaliseC0003564
- Does not vocalizeC0003564
- Loss of voiceC0003564
- Loss of voice (finding)C0003564
- Voice AbsenceC0003564
- Voice AbsencesC0003564
- absence of voiceC0003564
- aphoniaC0003564
- loss of voiceC0003564
- loss voiceC0003564
- voice lossC0003564
Frequently Asked Questions
What is ICD-10 code R49.1?
ICD-10-CM code R49.1 represents "Aphonia". It is a billable/specific code that can be used on a claim.
Is R49.1 a billable code?
Yes, R49.1 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is R49.1 in?
R49.1 is in Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (codes R00-R99).
What codes cannot be used with R49.1?
R49.1 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 R49.1 map to?
R49.1 maps to 14 SNOMED CT concepts: 44564008, 441913003, 23187009, 773583007, 74227009, and 9 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for R49.1?
R49.1 is linked to 1 UMLS Concept Unique Identifier: C0003564. 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.