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R41.82

✓ Billable

Altered mental status, unspecified

Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)

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Also Known As

Change in mental status NOS

❌ Excludes1

direct

Cannot be coded with R41.82

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

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Code Information

CodeR41.82
BillableYes
ParentR41.8
CategorySymptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
Excludes13 rule(s)
Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)