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ICD-10-CM Codes
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F01-F99
Mental, Behavioral and Neurodevelopmental disorders
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F01-F09
Mental disorders due to known physiological conditions
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F03-
Unspecified dementia
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2020 ICD-10-CM Diagnosis Code F03.91
Unspecified dementia with behavioral disturbance
2016 2017 2018 2019 2020 Billable/Specific Code Adult Dx (15-124 years)
- F03.91 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2020 edition of ICD-10-CM F03.91 became effective on October 1, 2019.
- This is the American ICD-10-CM version of F03.91 - other international versions of ICD-10 F03.91 may differ.
ICD-10-CM Coding Rules
- F03.91 is applicable to adult patients aged 15 - 124 years inclusive.
Applicable To- Unspecified dementia with aggressive behavior
- Unspecified dementia with combative behavior
- Unspecified dementia with violent behavior
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
F03.91 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
F03.91:
- F01-F99
2020 ICD-10-CM Range F01-F99
Mental, Behavioral and Neurodevelopmental disordersIncludes- disorders of psychological development
Type 2 Excludes- symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)
- F01-F09
2020 ICD-10-CM Range F01-F09
Mental disorders due to known physiological conditionsNote- This block comprises a range of mental disorders grouped together on the basis of their having in common a demonstrable etiology in cerebral disease, brain injury, or other insult leading to cerebral dysfunction. The dysfunction may be primary, as in diseases, injuries, and insults that affect the brain directly and selectively; or secondary, as in systemic diseases and disorders that attack the brain only as one of the multiple organs or systems of the body that are involved.
- F03
ICD-10-CM Diagnosis Code F03
Unspecified dementia
2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
Applicable To- Presenile dementia NOS
- Presenile psychosis NOS
- Primary degenerative dementia NOS
- Senile dementia NOS
- Senile dementia depressed or paranoid type
- Senile psychosis NOS
Type 2 Excludes- mild memory disturbance due to known physiological condition (F06.8)
- senile dementia with delirium or acute confusional state (F05)
- Dementia with behavioral disturbance
ICD-10-CM F03.91 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
- 884 Organic disturbances and intellectual disability
Convert F03.91 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
- Dementia (degenerative (primary)) (old age) (persisting) F03.90
ICD-10-CM Diagnosis Code F03.90
Unspecified dementia without behavioral disturbance
2016 2017 2018 2019 2020 Billable/Specific Code Adult Dx (15-124 years)
- with
- aggressive behavior F03.91
- behavioral disturbance F03.91
- combative behavior F03.91
- violent behavior F03.91
ICD-10-CM Codes Adjacent To F03.91
F01.50 …… without behavioral disturbance
F01.51 …… with behavioral disturbance
F02 Dementia in other diseases classified elsewhere
F02.8 Dementia in other diseases classified elsewhere
F02.80 …… without behavioral disturbance
F02.81 …… with behavioral disturbance
F03.9 Unspecified dementia
F03.90 …… without behavioral disturbance
F03.91
…… with behavioral disturbance
F04 Amnestic disorder due to known physiological condition
F05 Delirium due to known physiological condition
F06 Other mental disorders due to known physiological condition
F06.0 Psychotic disorder with hallucinations due to known physiological condition
F06.1 Catatonic disorder due to known physiological condition
F06.2 Psychotic disorder with delusions due to known physiological condition
F06.3 Mood disorder due to known physiological condition
F06.31 …… with depressive features
F06.32 …… with major depressive-like episode
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
