R49: ICD10 Code for Voice and resonance disorders
R49 is the ICD10 code used for documenting Voice and resonance disorders related to communication impairments and symbolic dysfunctions.

R49 refers to Voice and resonance disorders, covering speech articulation issues, reading disorders like dyslexia, and abnormalities in voice production such as hoarseness, nasal tone, or absence of voice.
Symptoms
- Difficulty pronouncing words clearly – Seen in R47
- Reading difficulties, letter reversals – Characteristic of R48 (Dyslexia)
- Hoarse or nasal voice, loss of vocal strength – Related to R49
Diagnosis
Evaluation typically involves speech-language assessments, audiology tests, neurological exams, psychological evaluations (for dyslexia), and imaging when structural anomalies are suspected.
ICD10 Code Usage
ICD10 code R49 supports clinical documentation of communication and language disorders, essential for therapy planning, special education accommodations, and insurance purposes.
Related Codes
- R47 – Speech disturbances, not elsewhere classified
- R48 – Dyslexia and other symbolic dysfunctions, not elsewhere classified
FAQs
Q1: What is ICD10 code R49?
A: It documents Voice and resonance disorders, encompassing speech, reading, and voice disorders requiring evaluation and/or treatment.
Q2: How is dyslexia diagnosed?
A: Through comprehensive language, reading, and cognitive skill assessments by trained specialists.
Q3: Can voice disorders occur in children?
A: Yes, children may develop hoarseness or vocal strain due to misuse, infections, or congenital issues.
Q4: What are common causes of speech disturbances?
A: Causes include developmental delays, strokes, traumatic brain injuries, or neurological disorders.
Q5: Is early therapy important for speech problems?
A: Absolutely, early intervention improves speech clarity, communication skills, and overall academic outcomes.
Conclusion
ICD10 code R49 ensures proper recording of Voice and resonance disorders, facilitating early diagnosis, appropriate therapy, and better outcomes for speech, reading, and voice impairments.

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