R49.9

ICD-10Billable

Unspecified voice and resonance disorder

Official ICD-10-CM descriptor (FY2026)

Unspecified voice and resonance disorder

R49.9 is valid for submission on a claim — CMS flags it as a billable, specific code.

Inclusion terms

Change in voice NOS
Resonance disorder NOS

Related codes in R49

Where this code sits

Chapter: 18. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
Block: Symptoms and signs involving speech and voice (R47-R49)
Parent code: R49

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.