G31.84 - Mild cognitive impairment of uncertain or unknown etiology
- Applicable to Mild cognitive impairment of uncertain or unknown etiology
- The 2025 edition of ICD10-CM G31.84 became effective on October 1, 2024.
- This is the American ICD10-CM version of G31.84 - other international versions of ICD10 G31.84 may differ.
- G31.84 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Code Additional Code
- code to identify presence of:
- alcohol abuse and dependence (F10.-)
- exposure to environmental tobacco smoke (Z77.22)
- history of tobacco dependence (Z87.891)
- hypertension (I10-I16)
- occupational exposure to environmental tobacco smoke (Z57.31)
- tobacco dependence (F17.-)
- tobacco use (Z72.0)
Inclusion Term
- Mild cognitive disorder NOS
- Mild neurocognitive disorder of uncertain or unknown etiology
Type 1 Excludes
- age related cognitive decline (R41.81)
- altered mental status (R41.82)
- cerebral degeneration (G31.9)
- cerebrovascular diseases (I60-I69)
- change in mental status (R41.82)
- cognitive deficits following (sequelae of) cerebral hemorrhage or infarction (I69.01-, I69.11-, I69.21-, I69.31-, I69.81-, I69.91-)
- cognitive impairment due to intracranial or head injury (S06.-)
- dementia (F01.-, F02.-, F03)
- mild neurocognitive disorder due to a known physiological condition (F06.7-)
- neurologic neglect syndrome (R41.4)
- personality change, nonpsychotic (F68.8)
The following codes above G31.84 contain annotation back-references that may be applicable to G31.84:
Chapter: G00-G99 Diseases of the nervous system
Section: G30-G32 Other degenerative diseases of the nervous system
Category: G31 Other degenerative diseases of nervous system, not elsewhere classified
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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