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ICD-10-CM Codes
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2023 ICD-10-CM Diagnosis Code G31.09
2023 ICD-10-CM Diagnosis Code G31.09
Other frontotemporal neurocognitive disorder
2016 2017 2018 2019 2020 2021 2022 2023 - Revised Code Billable/Specific Code
- G31.09 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- ICD-10-CM G31.09 is a revised 2023 ICD-10-CM code that became effective on October 1, 2022.
- This is the American ICD-10-CM version of G31.09 - other international versions of ICD-10 G31.09 may differ.
Use AdditionalUse Additional Help
Certain conditions have both an underlying etiology and multiple body system manifestations due to the underlying etiology. For such conditions the ICD-10-CM has a coding convention that requires the underlying condition be sequenced first followed by the manifestation. Wherever such a combination exists there is a "use additional code" note at the etiology code, and a "code first" note at the manifestation code. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. In most cases the manifestation codes will have in the code title, "in diseases classified elsewhere." Codes with this title are a component of the etiology/manifestation convention. The code title indicates that it is a manifestation code. "In diseases classified elsewhere" codes are never permitted to be used as first listed or principle diagnosis codes. They must be used in conjunction with an underlying condition code and they must be listed following the underlying condition.
The following code(s) above
G31.09 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
- Applicable To annotations, or
- Code Also annotations, or
- Code First annotations, or
- Excludes1 annotations, or
- Excludes2 annotations, or
- Includes annotations, or
- Note annotations, or
- Use Additional annotations
that may be applicable to
G31.09:
Approximate Synonyms
- Dementia, frontotemporal
- Frontotemporal dementia
ICD-10-CM G31.09 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
- 056 Degenerative nervous system disorders with mcc
- 057 Degenerative nervous system disorders without mcc
Convert G31.09 to ICD-9-CM
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 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
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2023 (effective 10/1/2022): Revised code
- New description: Other frontotemporal neurocognitive disorder
- 2022 description: Other frontotemporal dementia
Code annotations containing back-references to G31.09:
- Atrophy, atrophic (of)
- Dementia (degenerative (primary)) (old age) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety) F03.90
ICD-10-CM Diagnosis Code F03.90
Unspecified dementia, unspecified severity, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
2016 2017 2018 2019 2020 2021 2022 2023 - Revised Code Billable/Specific Code Adult Dx (15-124 years)
- Disorder (of) - see also Disease
- neurocognitive R41.9
ICD-10-CM Diagnosis Code R41.9
Unspecified symptoms and signs involving cognitive functions and awareness
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
Applicable To- Unspecified neurocognitive disorder
ICD-10-CM Codes Adjacent To G31.09
G25.9 Extrapyramidal and movement disorder, unspecified
G26 Extrapyramidal and movement disorders in diseases classified elsewhere
G30.0 Alzheimer's disease with early onset
G30.1 Alzheimer's disease with late onset
G30.8 Other Alzheimer's disease
G30.9 Alzheimer's disease, unspecified
G31 Other degenerative diseases of nervous system, not elsewhere classified
G31.0 Frontotemporal dementia
G31.09
Other frontotemporal neurocognitive disorder
G31.1 Senile degeneration of brain, not elsewhere classified
G31.2 Degeneration of nervous system due to alcohol
G31.8 Other specified degenerative diseases of nervous system
G31.83 Neurocognitive disorder with Lewy bodies
G31.84 Mild cognitive impairment of uncertain or unknown etiology
G31.85 Corticobasal degeneration
G31.89 Other specified degenerative diseases of nervous system
G31.9 Degenerative disease of nervous system, unspecified
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.