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784.40 VOICE/RESONANCE DIS NOS


Code Information

Diagnosis Code: 784.40

Short Description: Voice/resonance dis NOS

Long Description: Voice and resonance disorder, unspecified

Code Classification:

  • Symptoms, signs, and ill-defined conditions (780–799)
    • Symptoms (780-789)
      • 784 Symptoms involving head and neck
        • 784.40 Voice/resonance dis NOS

Code Version: 2015 ICD-9-CM


Synonyms

  • Abnormal voice
  • Difficulty imitating vocalization
  • Difficulty producing appropriate voice quality
  • Difficulty using phonological processes
  • Harsh voice quality
  • Hypernasality of vowels and voiced consonants
  • Low-pitch hoarse group
  • Organic voice tremor
  • Pharyngeal voice
  • Strained hoarse voice arrest-intermittent arrhythmic group
  • Strained hoarse voice arrest-intermittent rhythmic group
  • Unable to coordinate airflow and voice onset
  • Unable to produce appropriate voice volume
  • Unable to produce voice
  • Unable to use phonological processes
  • Unable to use vocal tunes and phonetic units
  • Ventricular band phonation
  • Vocal fatigue
  • Voice cluster
  • Voice misuse
  • Voice tremor group

References to Index of Diseases and Injuries

The code 784.40 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • Defect, defective 759.9
    • voice and resonance� 784.40
  • Disturbance - see also Disease
    • voice and resonance 784.40

Crosswalk Information

The code 784.40 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
784.40 Right Arrow R49.9 Unspecified voice and resonance disorder
This ICD-9 to ICD-10 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-9 Code ICD-9 Description
784.0 Headache
784.1 Throat pain
784.2 Swelling, mass, or lump in head and neck
784.3 Aphasia
784.41 Aphonia
784.42 Dysphonia
784.43 Hypernasality
784.44 Hyponasality
784.49 Other voice and resonance disorders
784.51 Dysarthria
784.52 Fluency disorder in conditions classified elsewhere
784.59 Other speech disturbance
784.60 Symbolic dysfunction, unspecified
784.61 Alexia and dyslexia
784.69 Other symbolic dysfunction
784.7 Epistaxis
784.8 Hemorrhage from throat
784.91 Postnasal drip
784.92 Jaw pain
784.99 Other symptoms involving head and neck

This page was last updated on: 10/1/2014

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