F18.9
Non-billableInhalant use, unspecified
Inhalant use, unspecified
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Includes
Conditions included under this code
- disorders of psychological development
- volatile solvents
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
- symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)
Child Codes (8)
F18.90Inhalant use, unspecified, uncomplicated
F18.91Inhalant use, unspecified, in remission
F18.92Inhalant use, unspecified with intoxication
F18.94Inhalant use, unsp with inhalant-induced mood disorder
F18.95Inhalant use, unsp with inhalant-induced psychotic disorder
F18.97Inhalant use, unsp with inhalant-induced persisting dementia
F18.98Inhalant use, unsp with other inhalant-induced disorders
F18.99Inhalant use, unsp with unsp inhalant-induced disorder
Also Known As / Clinical Terms
Frequently Asked Questions
What is ICD-10 code F18.9?
ICD-10-CM code F18.9 represents "Inhalant use, unspecified". It is a non-billable header code — use a more specific child code for billing purposes.
Is F18.9 a billable code?
No, F18.9 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 8 child codes under F18.9.
What chapter is F18.9 in?
F18.9 is in Chapter 5: Mental, Behavioral and Neurodevelopmental Disorders (codes F01-F99).
What codes cannot be used with F18.9?
F18.9 has Excludes1 notes indicating codes that cannot be used together with it, including: inhalant abuse (F18.1-); inhalant dependence (F18.2-).
What are the subcategories under F18.9?
F18.9 has 8 child codes, including: F18.90 (Inhalant use, unspecified, uncomplicated), F18.91 (Inhalant use, unspecified, in remission), F18.92 (Inhalant use, unspecified with intoxication), F18.94 (Inhalant use, unsp with inhalant-induced mood disorder), and 4 more.
What are the UMLS CUIs for F18.9?
F18.9 is linked to 1 UMLS Concept Unique Identifier: C2874772. 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.