ICD-10-CM Code R49.1
Aphonia
Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.R49.1 is a billable ICD code used to specify a diagnosis of aphonia. A 'billable code' is detailed enough to be used to specify a medical diagnosis.
The ICD code R491 is used to code Aphonia
Aphonia is the inability to produce voice. It is considered more severe than dysphonia. A primary cause of aphonia is bilateral disruption of the recurrent laryngeal nerve, which supplies nearly all the muscles in the larynx. Damage to the nerve may be the result of surgery (e.g., thyroidectomy) or a tumor.
| MeSH Code: | D001044 |
| ICD 9 Code: | 784.41 |
Coding Notes for R49.1 Info for medical coders on how to properly use this ICD-10 code
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Inclusion Terms:
Inclusion Terms
Inclusion Terms are a list of concepts for which a specific code is used. The list of Inclusion Terms is useful for determining the correct code in some cases, but the list is not necessarily exhaustive. - Loss of voice
MS-DRG Mapping
- DRG Group #154-156 - Other ear, nose, mouth and throat diagnoses with MCC.
- DRG Group #154-156 - Other ear, nose, mouth and throat diagnoses with CC.
- DRG Group #154-156 - Other ear, nose, mouth and throat diagnoses without CC or MCC.
ICD-10-CM Alphabetical Index References for 'R49.1 - Aphonia'
The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code R49.1. Click on any term below to browse the alphabetical index.
Equivalent ICD-9 Code GENERAL EQUIVALENCE MAPPINGS (GEM)
This is the official exact match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that in all cases where the ICD9 code 784.41 was previously used, R49.1 is the appropriate modern ICD10 code.
Parent Code: R49 - Voice and resonance disorders