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v1.0.0
ICD-10 Guide
ICD-10 CodesR47.1

R47.1

Dysarthria and anarthria

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/11/2025

Code Description

ICD-10 R47.1 is a billable code used to indicate a diagnosis of dysarthria and anarthria.

Key Diagnostic Point:

Dysarthria refers to a motor speech disorder resulting from neurological injury that affects the muscles used in speech production. It is characterized by slurred or slow speech that can be difficult to understand. Anarthria, on the other hand, is a more severe form of speech impairment where the individual is unable to articulate words due to the loss of muscle control. Both conditions can arise from various neurological disorders, including stroke, traumatic brain injury, multiple sclerosis, amyotrophic lateral sclerosis (ALS), and cerebral palsy. Symptoms may include difficulty in pronouncing words, changes in voice quality, and challenges in controlling the volume and pitch of speech. Clinical evaluation often involves a thorough neurological examination, speech assessment, and imaging studies to identify underlying causes. Laboratory findings may include tests to assess neurological function, but specific lab results are not typically associated with dysarthria and anarthria. Accurate diagnosis and coding are essential for effective treatment planning and management.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of underlying causes requiring differential diagnosis
  • Overlap with other speech disorders
  • Need for comprehensive documentation of neurological assessments
  • Potential for misclassification with other ICD codes

Audit Risk Factors

  • Inadequate documentation of neurological assessments
  • Failure to specify the underlying cause of dysarthria/anarthria
  • Misuse of related codes leading to incorrect billing
  • Inconsistent coding practices across specialties

Specialty Focus

Medical Specialties

Internal Medicine

Documentation Requirements

Detailed neurological examination findings, patient history, and any imaging studies performed.

Common Clinical Scenarios

Patients presenting with stroke symptoms, neurological disorders, or unexplained speech difficulties.

Billing Considerations

Ensure that the underlying cause is documented to support the diagnosis of dysarthria/anarthria.

Emergency Medicine

Documentation Requirements

Acute assessment of speech and neurological function, including rapid imaging if a stroke is suspected.

Common Clinical Scenarios

Acute stroke presentations or traumatic brain injuries leading to sudden speech impairment.

Billing Considerations

Timely documentation is crucial for acute care settings, especially in stroke protocols.

Coding Guidelines

Inclusion Criteria

Use R47.1 When
  • Follow the official ICD
  • CM coding guidelines, ensuring that the diagnosis is supported by clinical documentation
  • Use R47
  • 1 when dysarthria and anarthria are the primary focus of treatment

Exclusion Criteria

Do NOT use R47.1 When
No specific exclusions found.

Related CPT Codes

92507CPT Code

Treatment of speech, language, voice, communication, and/or auditory processing disorder

Clinical Scenario

Used in conjunction with R47.1 for patients receiving speech therapy.

Documentation Requirements

Document the specific speech therapy interventions and progress notes.

Specialty Considerations

Ensure that the therapy is directly related to the diagnosis of dysarthria/anarthria.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of speech disorders, improving the accuracy of diagnoses and treatment plans. R47.1 provides a clear classification for dysarthria and anarthria, facilitating better patient management.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of speech disorders, improving the accuracy of diagnoses and treatment plans. R47.1 provides a clear classification for dysarthria and anarthria, facilitating better patient management.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of speech disorders, improving the accuracy of diagnoses and treatment plans. R47.1 provides a clear classification for dysarthria and anarthria, facilitating better patient management.

Resources

Clinical References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Coding & Billing References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Frequently Asked Questions

What is the difference between dysarthria and anarthria?

Dysarthria is a motor speech disorder characterized by slurred or slow speech, while anarthria is a more severe condition where the individual cannot articulate words at all due to loss of muscle control.

What are common causes of dysarthria and anarthria?

Common causes include neurological conditions such as stroke, traumatic brain injury, multiple sclerosis, amyotrophic lateral sclerosis (ALS), and cerebral palsy.

How should I document a patient with dysarthria?

Document the patient's speech characteristics, any neurological assessments performed, and the impact on daily functioning. Include any treatments or therapies being utilized.