Specific code 2011 ICD-9-CM Diagnosis Code 784.49
Other voice and resonance disorders
  • Short description: Voice/resonance dis NEC.
  • ICD-9-CM 784.49 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 784.49 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
  • You are viewing the 2011 version of ICD-9-CM 784.49.
  • More recent version(s) of ICD-9-CM 784.49: 2012 2013 2014.
Disease Synonyms
  • Abnormal pitch
  • Abnormal vocal flexibility
  • Abnormal vocal intensity
  • Abnormal vocal quality
  • Anterior rhinolalia clausa
  • Breathy voice quality
  • Breathy whispered-intermittent group
  • Buccal voice
  • Change in voice
  • Decreased vocal resonance
  • Difficulty coordinating airflow and voice onset
  • Difficulty producing appropriate pitch
  • Difficulty producing appropriate voice volume
  • Difficulty producing voice
  • Difficulty speaking
  • Difficulty using respiratory support for speech
  • Difficulty using vocal tunes and phonetic units
  • Diphonia
  • Diplophonia
  • Does not coordinate airflow and voice onset
  • Does not use phonological processes
  • Does not use vocal tunes and phonetic units
  • Dysphonia of Gilles de la Tourette's syndrome
  • Egophony
  • Esophageal voice
  • Excessively low pitch
  • Fistula voice
  • Hoarse
  • Husky-breathy whispered-continuous group
  • Hyperfunctional dysphonia
  • Hyperphonia
  • Hypokinetic parkinsonian dysphonia
  • Increased vocal resonance
  • Localization of voice impaired
  • Mixed nasality
  • Mutational falsetto
  • Nasal resonatory disorder
  • Neurologic voice disorder
  • Pathologic change of voice
  • Posterior rhinolalia clausa
  • Psychogenic voice disorder
  • Senile voice
  • Strained hoarse voice-continuous group
  • Strained-strangled voice
  • Tracheoesophageal voice
  • Transsexual voice
  • Unable to imitate vocalization
  • Unable to produce appropriate pitch
  • Unable to produce appropriate voice quality
  • Vocal hyperfunction
  • Voice abuse
  • Voice associated with deafness
  • Voice disorder due to iatrogenic factor
  • Voice disorder due to transsexualism
Applies To
  • Change in voice
Convert to ICD-10-CM: 784.49 converts approximately to:
  • 2014 ICD-10-CM R49.8 Other voice and resonance disorders
ICD-9-CM Volume 2 Index entries containing back-references to 784.49:
  • Aphonia 784.41
    • clericorum 784.49
  • Change(s) (of) - see also Removal of
    • voice 784.49
  • Clergyman's sore throat 784.49
  • Dysphonia 784.42
    • clericorum 784.49
  • Fatigue 780.79
    • voice 784.49
  • Plicae dysphonia ventricularis 784.49
  • Preachers' voice 784.49
  • Sore
  • Speakers' throat 784.49
  • Trachyphonia 784.49
  • Voice
    • change (see also Dysphonia) 784.49
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 784.49 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2011 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.