F98.9 ICD-10-CA code: Unspecified behavioural and emotional disorders with onset usually occurring in childhood and adolescence
F98.9 is the ICD-10-CA code for “Unspecified behavioural and emotional disorders with onset usually occurring in childhood and adolescence” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
F98.9Unspecified behavioural and emotional disorders with onset usually occurring in childhood and adolescence
Short description: Beh & emot disrd child & adol onset NOS
ICD-10-CA · Canada · Also written F989
Index terms
Entries in CIHI’s alphabetical index that lead to F98.9. Searching the index by the condition the note names is how coders reach this code.
- Disturbance, habit, child
- Disorder (of), disruptive behavior
- Habit, habituation, disturbance, child
- Disorder (of), mental (or behavioral) (nonpsychotic), infancy, childhood or adolescence
Notes for F98.9
As CIHI prints them, with any note F98.9 takes from the headings above it.
Includes
- Disorders of psychological developmentFrom Chapter 5: Mental and behavioural disorders (F00-F99)
Excludes
Conditions classified elsewhere.
- Breath-holding spells (R06.8)gender dysphoria of childhood (F64)Kleine-Levin syndrome (G47.8)obsessive-compulsive disorder (F42.-)sleep disorders due to emotional causes (F51.-)From F98 Other behavioural and emotional disorders with onset usually occurring in childhood and adolescence
- Symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)From Chapter 5: Mental and behavioural disorders (F00-F99)
Note
- A heterogeneous group of disorders that share the characteristic of an onset in childhood but otherwise differ in many respects. Some of the conditions represent well-defined syndromes but others are no more than symptom complexes that need inclusion because of their frequency and association with psychosocial problems, and because they cannot be incorporated into other syndromes.From F98 Other behavioural and emotional disorders with onset usually occurring in childhood and adolescence
Where F98.9 sits
- 1ChapterChapter 5: Mental and behavioural disorders (F00-F99)
- 2Block F90-F98Behavioural and emotional disorders with onset usually occurring in childhood and adolescence
- 3Category F98Other behavioural and emotional disorders with onset usually occurring in childhood and adolescence
- 4Valid code F98.9Unspecified behavioural and emotional disorders with onset usually occurring in childhood and adolescence
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 F98.9 mean?
F98.9 is the ICD-10-CA code for “Unspecified behavioural and emotional disorders with onset usually occurring in childhood and adolescence” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is F98.9 in ICD-10-CA?
F98.9 sits under F98 Other behavioural and emotional disorders with onset usually occurring in childhood and adolescence, within F90-F98 Behavioural and emotional disorders with onset usually occurring in childhood and adolescence, within Chapter 5: Mental and behavioural disorders (F00-F99).
What coding notes apply to F98.9?
ICD-10-CA lists Note, Excludes, Includes notes for F98.9, 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.
Codes beside F98.9
View F98F98.0Nonorganic enuresisF98.1Nonorganic encopresisF98.2Feeding disorder of infancy and childhoodF98.3Pica of infancy and childhoodF98.4Stereotyped movement disordersF98.5Stuttering [stammering]F98.6ClutteringF98.8Other specified behavioural and emotional disorders with onset usually occurring in childhood and adolescence