Confusion ICD-10-CM Codes

Explore the ICD codes for confusion. Understand the codes, billability, and clinical relevance of this cognitive disturbance often seen in clinical settings.

By Patricia Buenaventura on Aug 8, 2025.

Fact Checked by Karina Jimenea.

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What ICD-10 codes are used for confusion?

Being familiar with the specific ICD-10-CM codes for accurate clinical documentation and billing is essential when addressing confusion. Confusion is a state of altered consciousness where individuals may have difficulty processing information, recognizing familiar surroundings, or understanding what's happening around them.

There's only one code that is closest to the diagnosis of confusion NOS as well as delirium NOS. It can be found under the code R41: Other symptoms and signs involving cognitive functions and awareness. The said code is:

R41.0 - Disorientation, unspecified: This code is used for cases diagnosed with general confusion or disorientation without specifying the type or cause.

Note that this code excludes delirium due to a known physiological condition. There is also a specific code for altered mental status which is R41.82.

Which confusion ICD codes are billable?

The ICD code mentioned for confusion, R41.0, is billable as it represents a specific medical condition that requires intervention. Proper documentation is crucial to ensure accurate billing and prevent potential discrepancies.

Clinical information

Confusion has specific clinical characteristics:

Reduced clarity of awareness of the environment characterizes it.
Causes can range from medical conditions like infections, metabolic disturbances, or drug intoxication to psychological factors.
Assessment involves a thorough neurological and cognitive evaluation.
Treatment is directed towards the underlying cause.
Monitoring and ensuring patient safety is paramount during episodes of confusion.

Synonyms include

Mental confusion
Clouded consciousness
Cognitive disturbance
Disoriented state
Loss of clarity

Commonly asked questions

Various factors, including medical conditions like infections, metabolic disturbances, traumatic brain injury, drug or alcohol intoxication or even alcohol withdrawal syndrome like delirium tremens, and certain mental disorders, psychological conditions like mild cognitive impairment and neurologic neglect syndrome, can cause confusion. Aside from those, even age-related cognitive decline can cause confusion.

Treatment for confusion focuses on identifying and addressing the underlying cause. This might involve medications, hydration, or other specific interventions depending on the cause.

Confusion can be a symptom of a serious condition, especially if it occurs suddenly or is accompanied by other neurological symptoms. It's essential to seek medical evaluation from mental health professionals to determine the cause.

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