R49.9
Unspecified voice and resonance disorder
Applicable To
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Change in voice NOS
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Resonance disorder NOS
Approximate Synonyms
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Speech resonance disoder
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Speech resonance disorder
Clinical Information
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A disorder characterized by a change in the sound and/or speed of the voice.
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Change in the sound and/or speed of the voice. Causes include laryngeal polyp, laryngitis, laryngeal carcinoma, throat carcinoma, parkinson’s disease, multiple sclerosis, stroke, hypothyroidism, oral surgery, tracheostomy, tracheal injury, and laryngeal injury.
Details
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R49.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
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The 2023 edition of ICD-10-CM R49.9 became effective on October 1, 2022.
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This is the American ICD-10-CM version of R49.9 – other international versions of ICD-10 R49.9 may differ.