Version 2024
No Valid Principal Dx

2024 ICD-10-CM Diagnosis Code R47.1

Dysarthria and anarthria

ICD-10-CM Code:
ICD-10 Code for:
Dysarthria and anarthria
Is Billable?
Yes - Valid for Submission
Chronic Condition Indicator: [1]
Not chronic
Code Navigator:

Code Classification

  • Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
    • Symptoms and signs involving speech and voice
      • Speech disturbances, not elsewhere classified

R47.1 is a billable diagnosis code used to specify a medical diagnosis of dysarthria and anarthria. The code is valid during the current fiscal year for the submission of HIPAA-covered transactions from October 01, 2023 through September 30, 2024.

According to ICD-10-CM guidelines this code should not to be used as a principal diagnosis code when a related definitive diagnosis has been established.

Approximate Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

  • Acquired dysarthria
  • Acquired dysarthria
  • Anarthria
  • Autosomal dominant muscular dystrophy with gene located at 5q31
  • Autosomal dominant muscular dystrophy with limb girdle distribution
  • Autosomal recessive spastic ataxia, optic atrophy, dysarthria syndrome
  • Bradylalia
  • Cerebellar dysarthria
  • Congenital dysarthria
  • Disorder of glutamine metabolism
  • Dysarthria
  • Dysarthria of velopharynx
  • Dysarthriapneumophonia
  • Extrapyramidal dysarthria
  • Flaccid dysarthria
  • Hyperkinetic dysarthria
  • Late onset proximal muscular dystrophy with dysarthria
  • Lingual dysarthria
  • Mixed dysarthria
  • Partington syndrome
  • Postnatal microcephaly, infantile hypotonia, spastic diplegia, dysarthria, intellectual disability syndrome
  • Second cranial nerve finding
  • Sensory ataxia
  • Sensory ataxic neuropathy with dysarthria and ophthalmoparesis syndrome
  • Spastic ataxia, dysarthria due to glutaminase deficiency

Clinical Classification

Clinical Information

  • Dysarthria

    disorders of speech articulation caused by imperfect coordination of pharynx, larynx, tongue, or face muscles. this may result from cranial nerve diseases; neuromuscular diseases; cerebellar diseases; basal ganglia diseases; brain stem diseases; or diseases of the corticobulbar tracts (see pyramidal tracts). the cortical language centers are intact in this condition. (from adams et al., principles of neurology, 6th ed, p489)
  • Pseudobulbar Palsy

    a syndrome characterized by dysarthria, dysphagia, dysphonia, impairment of voluntary movements of tongue and facial muscles, and emotional lability. this condition is caused by diseases that affect the motor fibers that travel from the cerebral cortex to the lower brain stem (i.e., corticobulbar tracts); including multiple sclerosis; motor neuron disease; and cerebrovascular disorders. (from adams et al., principles of neurology, 6th ed, p489)
  • Dysarthria

    slow and slurred speech resulting from inability to coordinate the muscles that are used in speech. causes include brain damage, parkinson disease, and developmental causes.
  • Dysarthria following Cerebral Infarction|Dysarthria following cerebral infarction

    evidence of dysarthria following cerebral infarction.
  • Dysarthria following Other Cerebrovascular Disease|Dysarthria following other cerebrovascular disease

    evidence of dysarthria following other cerebrovascular disease.
  • Dysarthria following Unspecified Cerebrovascular Disease|Dysarthria following unspecified cerebrovascular disease

    evidence of dysarthria following unspecified cerebrovascular disease.
  • Dysarthria, CTCAE|Dysarthria|Dysarthria

    a disorder characterized by slow and slurred speech resulting from an inability to coordinate the muscles used in speech.
  • Grade 1 Dysarthria, CTCAE|Grade 1 Dysarthria

    mild slurred speech
  • Grade 2 Dysarthria, CTCAE|Grade 2 Dysarthria

    moderate impairment of articulation or slurred speech
  • Grade 3 Dysarthria, CTCAE|Grade 3 Dysarthria

    severe impairment of articulation or slurred speech
  • Kurtzke Functional System Scores KFSS103 Original Result - Marked dysarthria or other marked disability|KFSS103-Marked dysarthria or other marked disability|Marked dysarthria or other marked disability

    kurtzke functional system scores kfss103 original result - marked dysarthria or other marked disability.
  • UHDRS 1999 Version - Dysarthria|UHDR1-Dysarthria|UHDR1-Dysarthria|UHDR104

    unified huntington's disease rating scale 1999 version (uhdrs 1999 version) dysarthria.

Tabular List of Diseases and Injuries

The following annotation back-references are applicable to this diagnosis code. The Tabular List of Diseases and Injuries is a list of ICD-10-CM codes, organized "head to toe" into chapters and sections with coding notes and guidance for inclusions, exclusions, descriptions and more.

Type 1 Excludes

Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • dysarthria following cerebrovascular disease (I69. with final characters -22)

Index to Diseases and Injuries References

The following annotation back-references for this diagnosis code are found in the injuries and diseases index. The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10-CM code(s).

Convert R47.1 to ICD-9-CM

  • ICD-9-CM Code: 784.51 - Dysarthria

Patient Education

Speech and Communication Disorders

Many disorders can affect our ability to speak and communicate. They range from saying sounds incorrectly to being completely unable to speak or understand speech. Causes include:

  • Hearing disorders and deafness
  • Voice problems, such as dysphonia or those caused by cleft lip or palate
  • Speech problems like stuttering
  • Developmental disabilities
  • Learning disabilities
  • Autism spectrum disorder
  • Brain injury
  • Stroke

Some speech and communication problems may be genetic. Often, no one knows the causes. By first grade, about 5% of children have noticeable speech disorders. Speech and language therapy can help.

NIH: National Institute on Deafness and Other Communication Disorders

[Learn More in MedlinePlus]

Code History

  • FY 2024 - No Change, effective from 10/1/2023 through 9/30/2024
  • FY 2023 - No Change, effective from 10/1/2022 through 9/30/2023
  • FY 2022 - No Change, effective from 10/1/2021 through 9/30/2022
  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016. This was the first year ICD-10-CM was implemented into the HIPAA code set.


[1] Not chronic - A diagnosis code that does not fit the criteria for chronic condition (duration, ongoing medical treatment, and limitations) is considered not chronic. Some codes designated as not chronic are acute conditions. Other diagnosis codes that indicate a possible chronic condition, but for which the duration of the illness is not specified in the code description (i.e., we do not know the condition has lasted 12 months or longer) also are considered not chronic.