Voice and resonance disorders (R49) ICD-10-CM
The R49 code range covers voice and resonance disorders with 8 ICD-10-CM diagnosis codes. 6 of them are billable and valid for claim submission in fiscal year 2027, and the category headers group them but cannot themselves be billed.
Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
- psychogenic voice and resonance disorders F44.4
Codes in the R49 Range 8 codes · 6 billable
Clinical Terms in This Code Range
Definitions from the National Library of Medicine for conditions coded in the R49 range.
Aphonia
Complete loss of phonation due to organic disease of the larynx or to nonorganic (i.e., psychogenic) causes.
Dysphonia
Difficulty and/or pain in PHONATION or speaking.
About the R49 Code Range
Voice and resonance disorders involve how the voice sounds or how it resonates. The subdivisions distinguish voice changes, inability to produce voice, and nasal voice resonance.
R49.0 identifies dysphonia, a voice disorder, while R49.1 identifies aphonia, or inability to produce voice. R49.2 separates nasal resonance into R49.21 hypernasality and R49.22 hyponasality. R49.8 identifies other voice and resonance disorders; R49.9 identifies an unspecified voice and resonance disorder.
Questions About This Page
How many billable codes are in the R49 range?
Of the 8 codes in this range, 6 are billable and valid for claim submission from October 1, 2026 through September 30, 2027. Category header codes group them but cannot be reported on claims.
What does the R49 range classify?
The range classifies voice and resonance disorders. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.
