R41.82 - Altered mental status, unspecified

Applicable to Altered mental status, unspecified
The 2025 edition of ICD10-CM R41.82 became effective on October 1, 2024.
This is the American ICD10-CM version of R41.82 - other international versions of ICD10 R41.82 may differ.
R41.82 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

Inclusion Term

Change in mental status NOS

Type 1 Excludes

altered level of consciousness (R40.-)
altered mental status due to known condition - code to condition
delirium NOS (R41.0)

The following codes above R41.82 contain annotation back-references that may be applicable to R41.82:

Chapter: R00-R99 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified

Section: R40-R46 Symptoms and signs involving cognition, perception, emotional state and behavior

Category: R41 Other symptoms and signs involving cognitive functions and awareness

laboratory icd 10

findings icd 10

behavior icd 10

cognition icd 10

clinical icd 10

cognitive icd 10

emotional icd 10

awareness icd 10

functions icd 10

abnormal icd 10

perception icd 10

Billable/Specific Code

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Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

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