ICD-10-CM Current in FY 2027

F02.A1

Dementia in other diseases classified elsewhere, mild, with behavioral disturbance

Release: FY 2027
Effective: October 1, 2026

Official source

Hierarchy

Where F02.A1 sits in the official hierarchy. Each level is the code it is classified under.

F02 Dementia in other diseases classified elsewhere
F02.A Parent Dementia in other diseases classified elsewhere, mild
F02.A1 This code Dementia in other diseases classified elsewhere, mild, with behavioral disturbance

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

Includes

Major neurocognitive disorder in other diseases classified elsewhere

Inherited from F02 — Dementia in other diseases classified elsewhere

Excludes1

mild neurocognitive disorder due to known physiological condition with or without behavioral disturbance ( F06.7- )

Inherited from F02.A — Dementia in other diseases classified elsewhere, mild

Excludes2

dementia in alcohol and psychoactive substance disorders (F10-F19, with .17, .27, .97)

Inherited from F02 — Dementia in other diseases classified elsewhere

Excludes2

vascular dementia ( F01.5- , F01.A- , F01.B- , F01.C- )

Inherited from F02 — Dementia in other diseases classified elsewhere

Code First

the underlying physiological condition, such as:

Inherited from F02 — Dementia in other diseases classified elsewhere

Code First

Alzheimer's ( G30 .-)

Inherited from F02 — Dementia in other diseases classified elsewhere

Code First

cerebral lipidosis ( E75.4 )

Inherited from F02 — Dementia in other diseases classified elsewhere

Code First

Creutzfeldt-Jakob disease ( A81.0- )

Inherited from F02 — Dementia in other diseases classified elsewhere

Code First

epilepsy and recurrent seizures ( G40 .-)

Inherited from F02 — Dementia in other diseases classified elsewhere

Code First

hepatolenticular degeneration ( E83.01 )

Inherited from F02 — Dementia in other diseases classified elsewhere

Code First

human immunodeficiency virus [HIV] disease ( B20 )

Inherited from F02 — Dementia in other diseases classified elsewhere

Code First

Huntington's disease ( G10 )

Inherited from F02 — Dementia in other diseases classified elsewhere

Code First

hypercalcemia ( E83.52 )

Inherited from F02 — Dementia in other diseases classified elsewhere

Code First

hypothyroidism, acquired (E00-E03.-)

Inherited from F02 — Dementia in other diseases classified elsewhere

Code First

intoxications (T36-T65)

Inherited from F02 — Dementia in other diseases classified elsewhere

Code First

Jakob-Creutzfeldt disease ( A81.0- )

Inherited from F02 — Dementia in other diseases classified elsewhere

Code First

multiple sclerosis ( G35- )

Inherited from F02 — Dementia in other diseases classified elsewhere

Code First

neurocognitive disorder with Lewy bodies ( G31.83 )

Inherited from F02 — Dementia in other diseases classified elsewhere

Code First

neurosyphilis ( A52.17 )

Inherited from F02 — Dementia in other diseases classified elsewhere

Code First

niacin deficiency [pellagra] ( E52 )

Inherited from F02 — Dementia in other diseases classified elsewhere

Code First

other frontotemporal neurocognitive disorder ( G31.09 )

Inherited from F02 — Dementia in other diseases classified elsewhere

Code First

Parkinson's disease ( G20 .-)

Inherited from F02 — Dementia in other diseases classified elsewhere

Code First

Pick's disease ( G31.01 )

Inherited from F02 — Dementia in other diseases classified elsewhere

Code First

polyarteritis nodosa ( M30.0 )

Inherited from F02 — Dementia in other diseases classified elsewhere

Code First

prion disease ( A81.9 )

Inherited from F02 — Dementia in other diseases classified elsewhere

Code First

systemic lupus erythematosus ( M32 .-)

Inherited from F02 — Dementia in other diseases classified elsewhere

Code First

traumatic brain injury ( S06 .-)

Inherited from F02 — Dementia in other diseases classified elsewhere

Code First

trypanosomiasis ( B56 .-, B57 .-)

Inherited from F02 — Dementia in other diseases classified elsewhere

Code First

vitamin B deficiency ( E53.8 )

Inherited from F02 — Dementia in other diseases classified elsewhere

More Specific Codes

2 codes under F02.A1

Version History

How F02.A1 appears in each release imported from the official files, newest first.

FY 2027 Effective October 1, 2026
Current

Dementia in other diseases classified elsewhere, mild, with behavioral disturbance
FY 2026 Effective October 1, 2025
Unchanged

Dementia in other diseases classified elsewhere, mild, with behavioral disturbance

Other codes under F02.A

Codes whose official notes reference F02.A1

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release: FY 2027
Effective: October 1, 2026
Source file: icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

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