R49Not billable, use a more specific code below

Voice and resonance disorders

In Symptoms and signs involving speech and voice (R47-R49), chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings

6 billable codes under R49: none are a CC or MCC; none map to an HCC.

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Instructional notes

Excludes1: not coded here, use a different code

  • psychogenic voice and resonance disorders (F44.4)

Official coding guidelines

From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.

Covers when to report symptom, sign, and abnormal finding codes (R00-R99), plus specific rules for falls, coma scales, non-infectious SIRS, death NOS, and NIHSS scores.

Read Section I.C.18 (page 75), 1 more topics

R49 MS-DRGs

As the principal diagnosis, all 6 billable codes under R49 group to MS-DRG 154, 155, or 156 (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.

About the condition

Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.

Voice Disorders

Voice is the sound made by air passing from your lungs through your larynx, or voice box. In your larynx are your vocal cords, two bands of muscle that vibrate to make sound. For most of us, our voices play a big part in who we are, what we do, and how we communicate. Like fingerprints, each person's voice is unique.

Read more about voice disorders on MedlinePlus

Code history

Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.