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R49.9 - Unspecified voice and resonance disorder


The ICD 10 Code for Unspecified voice and resonance disorder is listed as R49.9.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: R49.9
Description: Unspecified voice and resonance disorder
  • Change in voice NOS
  • Resonance disorder NOS
  • General symptoms and signs (R50-R69)
Diagnostic Related Groups
(MS-DRG v30.0)
154 - Other Ear, Nose, Mouth & Throat Diagnoses W Mcc
155 - Other Ear, Nose, Mouth & Throat Diagnoses W Cc
156 - Other Ear, Nose, Mouth & Throat Diagnoses W/o Cc/mcc
Chapter Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
Block Symptoms and signs involving speech and voice (R47-R49)
Parent R49 - Voice and resonance disorders
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code: 784.40 - Voice and resonance disorder, unspecified (approximate)
ICD-10-CM Siblings (same level / similar specificity) of R49.9:
R49.0 - Dysphonia
R49.1 - Aphonia
R49.2 - Hypernasality and hyponasality
R49.8 - Other voice and resonance disorders