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ICD-10-CM Current in FY 2027

G31.1

Senile degeneration of brain, not elsewhere classified

Release
FY 2027
Effective
Official source (opens in a new tab)

Hierarchy

Where G31.1 sits in the official hierarchy. Each level is the code it is classified under.

  1. G31 Parent Other degenerative diseases of nervous system, not elsewhere classified
  2. G31.1 This code Senile degeneration of brain, not elsewhere classified

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.

Excludes1

Alzheimer's disease ( G30 .-)

Excludes1

senility NOS ( R41.81 )

Excludes2

Reye's syndrome ( G93.7 )

Inherited from G31 — Other degenerative diseases of nervous system, not elsewhere classified

Use Additional Code

code, if applicable, for codes G31.0-G31.83, G31.85-G31.9, to identify:

Inherited from G31 — Other degenerative diseases of nervous system, not elsewhere classified

Use Additional Code

dementia with anxiety ( F02.84 , F02.A4 , F02.B4 , F02.C4 )

Inherited from G31 — Other degenerative diseases of nervous system, not elsewhere classified

Use Additional Code

dementia with behavioral disturbance ( F02.81- , F02.A1- , F02.B1- , F02.C1- )

Inherited from G31 — Other degenerative diseases of nervous system, not elsewhere classified

Use Additional Code

dementia with mood disturbance ( F02.83 , F02.A3 , F02.B3 , F02.C3 )

Inherited from G31 — Other degenerative diseases of nervous system, not elsewhere classified

Use Additional Code

dementia with psychotic disturbance ( F02.82 , F02.A2 , F02.B2 , F02.C2 )

Inherited from G31 — Other degenerative diseases of nervous system, not elsewhere classified

Use Additional Code

dementia without behavioral disturbance ( F02.80 , F02.A0 , F02.B0 , F02.C0 )

Inherited from G31 — Other degenerative diseases of nervous system, not elsewhere classified

Use Additional Code

mild neurocognitive disorder due to known physiological condition ( F06.7- )

Inherited from G31 — Other degenerative diseases of nervous system, not elsewhere classified

Version History

How G31.1 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Senile degeneration of brain, not elsewhere classified

  2. FY 2026 Effective

    Unchanged

    Senile degeneration of brain, not elsewhere classified

Related Codes

Other codes under G31

Codes whose official notes reference G31.1

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
Source file
icd10cm-code-descriptions-2027.zip

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

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