Diagnosis Code

R49.9 UNSPECIFIED VOICE AND RESONANCE DISORDER


Code Information

Diagnosis Code: R49.9

Short Description: Unspecified voice and resonance disorder

Long Description: Unspecified voice and resonance disorder

The code R49.9 is VALID for claim submission

Code Classification:

  • Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00–R99)
    • Symptoms and signs involving speech and voice (R47-R49)
      • Voice and resonance disorders (R49)
        • R49.9 Unspecified voice and resonance disorder

Code Version: 2022 ICD-10-CM


Synonyms

  • Abnormal voice
  • Change in voice
  • Decreased vocal resonance
  • Finding of function of vocal cords
  • Pathologic change of voice
  • Vocal cord dysfunction
  • Vocal resonance finding
  • Voice disorder due to iatrogenic factor

Diagnostic Related Group(s)

The code R49.9 is grouped in the following Diagnostic Related Group(s) (MS-DRG v39.0)
  • Other Ear, Nose, Mouth And Throat Diagnoses With Mcc (154)
  • Other Ear, Nose, Mouth And Throat Diagnoses With Cc (155)
  • Other Ear, Nose, Mouth And Throat Diagnoses Without Cc/mcc (156)

References to Index of Diseases and Injuries

The code R49.9 has the following ICD-10-CM references to the Index of Diseases and Injuries
  • Inclusion Terms:
    • Change in voice NOS
    • Resonance disorder NOS

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
R49.9 Right Arrow 784.40 Voice/resonance dis NOS

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
R49 Voice and resonance disorders
R49.0 Dysphonia
R49.1 Aphonia
R49.2 Hypernasality and hyponasality
R49.21 Hypernasality
R49.22 Hyponasality
R49.8 Other voice and resonance disorders


This page was last updated on: 10/1/2023