Cognitive Impairment ICD-10-CM Codes

Learn about the cognitive impairment ICD-10 codes you can use through this guide.

By Matt Olivares on May 28, 2025.

Fact Checked by Karina Jimenea.

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Cognitive Impairment ICD-10-CM Codes

What ICD-10 codes are used for cognitive impairment?

The International Classification of Diseases, 10th Revision (ICD-10), offers a systematic framework for classifying diseases and health conditions. Here are the common ICD-10 codes for cognitive impairment you can use:

  • R41.81 - Age-related cognitive decline: This is meant to be used if the patient is confirmed to be exhibiting signs of cognitive decline common for their age.
  • R41.82 - Altered mental status, unspecified: This is meant to be used if the patient is confirmed to have an altered mental status, but the degree of alteration isn't specified.
  • R41.83 - Borderline intellectual functioning: This is meant to be used if the patient is confirmed to have borderline intellectual functioning, meaning the patient has below-average cognitive ability.
  • R41.840 - Attention and concentration deficit: This is meant to be used if the patient is confirmed to have a deficit in their abilities to be attentive and to concentrate.
  • R41.841 - Cognitive communication deficit: This is meant to be used if a patient is confirmed to have impaired communication skills due to problems with their attention, memory, and executive functions.
  • R41.842 - Visuospatial deficit: This is meant to be used if a patient is confirmed to have problems interpreting visual and spatial information.
  • R41.843 - Psychomotor deficit: This is meant to be used if a patient is confirmed to have hampered mental and physical capabilities (slower movement, slow thinking, etc.).
  • R41.844 - Frontal lobe and executive function deficit: This is meant to be used if a patient is confirmed to have frontal lobe and executive function deficits. Such deficits include poor planning and strategizing, self-regulation, etc.
  • G31.84 - Mild cognitive impairment of uncertain or unknown etiology: This is meant to be used if a patient is confirmed to have mild cognitive impairment, but it's not known what causes it.
  • R41.9 - Unspecified symptoms and signs involving cognitive functions and awareness: This code is assigned when the exact condition causing the cognitive impairment cannot be ascertained or specified.
  • R41.89 - Other symptoms and signs involving cognitive functions and awareness: This code is used for any conditions related to cognitive functions and awareness that do not fit into other specific categories.

Which cognitive impairment ICD codes are billable?

All of the aforementioned ICD-10 codes for cognitive impairment are valid and billable.

Clinical information

Understanding cognitive impairment involves a deep dive into a broad spectrum of factors. Here's a concise breakdown of some essential aspects:

  • Variety in severity: Cognitive impairment spans a continuum from mild to severe. Its effects may disrupt crucial mental functions such as memory, concentration, perception, and reasoning.
  • Role of ICD-10 codes: The ICD-10 codes play a vital role in healthcare by accurately documenting a patient's cognitive status. These codes are integral to accurate diagnosis and treatment planning.
  • Underlying conditions: A range of conditions could lead to cognitive impairment. These include but aren't limited to, Alzheimer's disease, stroke, traumatic brain injury, and other neurological disorders. Each condition may affect cognitive functions differently, thus emphasizing the need for precise coding.
  • Risk factors: Certain lifestyle elements and medical conditions may heighten the risk of developing cognitive impairment. These include poor cardiovascular health, a lack of physical activity, an unhealthy diet, and chronic conditions such as diabetes or hypertension.

Understanding these factors is essential to addressing cognitive impairment and promoting cognitive health effectively.

Synonyms include

  • Cognitive decline
  • Mild cognitive disorder
  • Moderate cognitive impairment
  • Cognitive loss
  • Memory impairment
  • Mild cognitive impairment due to mild neurocognitive disorder
  • Mild neurocognitive disorder due to traumatic brain injury
  • Cognitive deficits
  • Cognitive impairment due to underlying physiological condition
  • Cognitive impairment due to cerebrovascular disease
  • Cognitive impairment due to degenerative diseases
  • Cognitive impairment due to other degenerative diseases
  • Cognitive impairment due to Lewy body disease
  • Cognitive impairment due to systemic lupus erythematosus
  • Cognitive impairment due to human immunodeficiency virus

Popular search terms for cognitive impairment ICD-10 codes

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  • ICD-10 cognitive impairment
  • Cognitive impairment diagnosis codes
  • ICD-10 codes for cognitive impairment

Frequently asked questions

When to use a Cognitive Impairment ICD code?

A cognitive impairment ICD code should be used whenever a patient exhibits significant changes in cognitive function, such as memory loss, difficulty with problem-solving, or issues with language and speech.

What are the common treatments for Cognitive Impairment Diagnosis Codes?

Treatment varies based on the underlying cause of cognitive impairment. It may include medication, cognitive training, physical activity, and lifestyle changes.

What does a diagnosis code for Cognitive Impairment mean?

A diagnosis code for cognitive impairment means that a patient has been diagnosed with a significant decline in one or more areas of cognitive function. The specific code provides information on the severity and nature of the cognitive impairment.

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