F91
Non-billableConduct disorders
Conduct disorders
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Status
Non-billable / Header
Block
F90-F98
Child Codes
6
Coding Notes
Includes
Conditions included under this code
- disorders of psychological development
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
Child Codes (6)
Also Known As / Clinical Terms
UMLS
- CONDUCT DISC0149654
- Conduct DisorderC0149654
- Conduct DisordersC0149654
- Conduct behavior disorderC0149654
- Conduct behaviour disorderC0149654
- Conduct disorderC0149654
- Conduct disorder (disorder)C0149654
- Conduct disorder NOSC0149654
- Conduct disorder, unspecifiedC0149654
- Conduct disordersC0149654
- Unspecified disturbance of conductC0149654
- conduct disorderC0149654
- conduct disordersC0149654
Frequently Asked Questions
What is ICD-10 code F91?
ICD-10-CM code F91 represents "Conduct disorders". It is a non-billable header code — use a more specific child code for billing purposes.
Is F91 a billable code?
No, F91 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 6 child codes under F91.
What chapter is F91 in?
F91 is in Chapter 5: Mental, Behavioral and Neurodevelopmental Disorders (codes F01-F99).
What codes cannot be used with F91?
F91 has Excludes1 notes indicating codes that cannot be used together with it, including: antisocial behavior (Z72.81-); antisocial personality disorder (F60.2).
What are the subcategories under F91?
F91 has 6 child codes, including: F91.0 (Conduct disorder confined to family context), F91.1 (Conduct disorder, childhood-onset type), F91.2 (Conduct disorder, adolescent-onset type), F91.3 (Oppositional defiant disorder), and 2 more.
What are the UMLS CUIs for F91?
F91 is linked to 1 UMLS Concept Unique Identifier: C0149654. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.