What is the ICD-10 code for mental status change?

The ICD-10 code for unspecified mental status change is R41.82. Use this code when no specific cause is identified.

When should R41.82 be used?

Use R41.82 when the cause of altered mental status is unknown or unspecified, ensuring documentation supports this choice.

ICD-10 Coding for Mental Status Change(R41.82, G93.40, G93.49)

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Explore the ICD-10 coding guidelines for mental status change, including R41.82, with detailed documentation requirements and coding tips.

Also known as:

Altered Mental StatusAMSConfusion

Related ICD-10 Code Ranges

Complete code families applicable to Mental Status Change

R00-R99Primary Range

Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified

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Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

Code	Description	When to Use	Key Documentation
R41.82	Altered mental status, unspecified	Use when the cause of altered mental status is unknown or unspecified.	Normal CT head Negative urine toxicology
F05	Delirium due to known physiological condition	Use when delirium is due to a known physiological condition.	Positive Confusion Assessment Method (CAM) Abnormal clock drawing test

Primary ICD-10-CM Codes

Altered mental status, unspecified

R41.82Billable

Differential Codes

Alternative codes to consider when ruling out similar conditions

Delirium due to known physiological conditionF05

Encephalopathy, unspecifiedG93.40

Unspecified dementiaF03

Documentation & Coding Risks

Avoid these common issues when documenting Mental Status Change.

Failure to document the cause of mental status change

Impact

Clinical: May lead to inappropriate treatment., Regulatory: Increases risk of audit., Financial: Potential for denied claims.

Mitigation

Thorough clinical assessment, Detailed documentation of findings

Using R41.82 when a specific cause is known

Impact

Reimbursement: May lead to lower reimbursement rates., Compliance: Increases risk of audit due to unspecified coding., Data Quality: Reduces accuracy of clinical data.

Mitigation

Identify and code the specific cause of the mental status change.

Use of unspecified codes

Impact

High audit risk when using unspecified codes without supporting documentation.

Mitigation

Ensure all documentation is thorough and specific.

Frequently Asked Questions

Documentation requirements, coding pitfalls and FAQs for conditions coded with R41.82.

Primary Code

R41.82

Altered mental status, unspecified

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ICD-10 codes5

Coding risks3

FAQs2

ICD-10 Coding for Mental Status Change(R41.82, G93.40, G93.49)

Documentation & Coding Risks

Frequently Asked Questions

What is the ICD-10 code for mental status change?

When should R41.82 be used?

Related condition guides