R49.1
Aphonia
Billable code
This code does not map to a risk-adjusting HCC in the loaded models.
Coding notes
Excludes 1 never coded together · Excludes 2 may co-exist
This code · R49.1
Synonyms
Loss of voice
Inherited from R49Voice and resonance disorders
Excludes 1
psychogenic voice and resonance disorders (F44.4)
Inherited from chapter 18Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
Official Guidelines for R49.1
FY 2026 ›Sections that reference R49.1
- I.B.4Signs and symptomsConventions & general rules
… Chapter 18 of ICD-10-CM, Symptoms, Signs, and Abnormal Clinical and Laboratory Findings, Not Elsewhere Classified (codes R00.0 - R99) contains many, but not all, codes for symptoms. …
- IV.DCodes that describe symptoms and signsOutpatient services
… Chapter 18 of ICD-10-CM, Symptoms, Signs, and Abnormal Clinical and Laboratory Findings Not Elsewhere Classified (codes R00-R99) contain many, but not all codes for symptoms.
Sections whose FY 2026 text names R49.1, its R49 category, or a range containing it — the chapter guidance above is the authoritative source.