- R41.82 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2024 edition of ICD-10-CM R41.82 became effective on October 1, 2022.
- This is the American ICD-10-CM version of R41.82 – other international versions of ICD-10 R41.82 may differ.
ICD-10-CM R41.82 is grouped within Diagnostic Related Group(s):
Applicable To
- 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)
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2016 (effective 10/1/2015): No change
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
- 2024 (effective 10/1/2022): No change
Diagnosis Index entries containing back-references to R41.82:
- mental status > Alteration, Altered (of)
- mental status > Change (s) (in) (of)
- altered mental status > awareness R41.9
- altered mental status > cognitive functions R41.9