Diagnosis Code

R49.1 APHONIA


Code Information

Diagnosis Code: R49.1

Short Description: Aphonia

Long Description: Aphonia

The code R49.1 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)
        • R49.1 Aphonia

Code Version: 2022 ICD-10-CM


Synonyms

  • Aphonia
  • Aphonia paralytica
  • Aphonia, deafness, retinal dystrophy, bifid halluces, intellectual disability syndrome
  • Apraxic aphonia
  • Dystonia aphonia syndrome
  • Finding related to ability to produce voiced sounds
  • Generalized dystonia
  • Hyperfunctional aphonia
  • Hyperkinetic aphonia
  • Hypofunctional aphonia
  • Loss of voice
  • Spastic aphonia
  • Unable to produce voice
  • Unable to produce voiced sounds

Diagnostic Related Group(s)

The code R49.1 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 R49.1 has the following ICD-10-CM references to the Index of Diseases and Injuries
  • Inclusion Terms:
    • Loss of voice

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
R49.1 Right Arrow 784.41 Aphonia

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
R49.2 Hypernasality and hyponasality
R49.21 Hypernasality
R49.22 Hyponasality
R49.8 Other voice and resonance disorders
R49.9 Unspecified voice and resonance disorder


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