F63.8 ICD-10-CA code: Other habit and impulse disorders
F63.8 is the ICD-10-CA code for “Other habit and impulse disorders” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
F63.8Other habit and impulse disorders
ICD-10-CA · Canada · Also written F638
Index terms
Entries in CIHI’s alphabetical index that lead to F63.8. Searching the index by the condition the note names is how coders reach this code.
- Disorder (of), intermittent explosive
- Disorder (of), habit (and impulse), specified NEC
Notes for F63.8
As CIHI prints them, with any note F63.8 takes from the headings above it.
Includes
- Intermittent explosive disorder
- Disorders of psychological developmentFrom Chapter 5: Mental and behavioural disorders (F00-F99)
Excludes
Conditions classified elsewhere.
- Habitual excessive use of alcohol or psychoactive substances (F10-F19)impulse and habit disorders involving sexual behaviour (F65.-)From F63 Habit and impulse disorders
- Symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)From Chapter 5: Mental and behavioural disorders (F00-F99)
Note
- Other kinds of persistently repeated maladaptive behaviour that are not secondary to a recognized psychiatric syndrome, and in which it appears that the patient is repeatedly failing to resist impulses to carry out the behaviour. There is a prodromal period of tension with a feeling of release at the time of the act.
- This category includes certain disorders of behaviour that are not classifiable under other categories. They are characterized by repeated acts that have no clear rational motivation, cannot be controlled, and generally harm the patient's own interests and those of other people. The patient reports that the behaviour is associated with impulses to action. The cause of these disorders is not understood and they are grouped together because of broad descriptive similarities, not because they are known to share any other important features.From F63 Habit and impulse disorders
- This block includes a variety of conditions and behaviour patterns of clinical significance which tend to be persistent and appear to be the expression of the individual's characteristic lifestyle and mode of relating to himself or herself and others. Some of these conditions and patterns of behaviour emerge early in the course of individual development, as a result of both constitutional factors and social experience, while others are acquired later in life. Specific personality disorders (F60.-), mixed and other personality disorders (F61.-), and enduring personality changes (F62.-) are deeply ingrained and enduring behaviour patterns, manifesting as inflexible responses to a broad range of personal and social situations. They represent extreme or significant deviations from the way in which the average individual in a given culture perceives, thinks, feels and, particularly, relates to others. Such behaviour patterns tend to be stable and to encompass multiple domains of behaviour and psychological functioning. They are frequently, but not always, associated with various degrees of subjective distress and problems of social performance.From F60-F69 Disorders of adult personality and behaviour
Where F63.8 sits
- 1ChapterChapter 5: Mental and behavioural disorders (F00-F99)
- 2Block F60-F69Disorders of adult personality and behaviour
- 3Category F63Habit and impulse disorders
- 4Valid code F63.8Other habit and impulse disorders
Source and release
- Data release
- ICD-10-CA · FY 2026–2027
- Effective date
- Apr 1, 2026
- Publisher
- CIHI
This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
What does ICD-10-CA code F63.8 mean?
F63.8 is the ICD-10-CA code for “Other habit and impulse disorders” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is F63.8 in ICD-10-CA?
F63.8 sits under F63 Habit and impulse disorders, within F60-F69 Disorders of adult personality and behaviour, within Chapter 5: Mental and behavioural disorders (F00-F99).
What coding notes apply to F63.8?
ICD-10-CA lists Note, Includes, Excludes notes for F63.8, including those from the headings it sits under. They are listed on this page with where each one comes from.
Which ICD-10-CA release does this page use?
It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.