ICD-10-CM 2027 diagnosis code
F18.2Inhalant dependence
F18.2 is a header code, so it can't be reported by itself. Choose one of the 8 more specific codes beneath it.
Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data
About F18.2
F18.2 is the ICD-10-CM diagnosis code for Inhalant dependence. It belongs to category F18 (Inhalant related disorders), block F10-F19 (mental and behavioral disorders due to psychoactive substance use) and chapter 5 (mental, Behavioral and Neurodevelopmental disorders). It is a header code, so it can't be reported by itself; one of its 8 subcodes must be used instead.
Within F18 (Inhalant related disorders), F18.2 is specifically for Inhalant dependence. Related codes cover abuse (F18.1) and use, unspecified (F18.9).
To report this condition, pick the subcode that matches the documentation: F18.20 (uncomplicated), F18.21 (in remission), F18.22 (with intoxication), F18.24 (with inhalant-induced mood disorder), F18.25 (with inhalant-induced psychotic disorder), F18.27 (with inhalant-induced dementia), F18.28 (with other inhalant-induced disorders) and F18.29 (with unspecified inhalant-induced disorder).
Don't report F18.2 together with the conditions in its Excludes1 note: inhalant abuse (F18.1-) and inhalant use, unspecified (F18.9-).
It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.
Specific codes under F18.2
- F18.20Inhalant dependence, uncomplicatedBillable
- F18.21Inhalant dependence, in remissionBillable
- F18.22Inhalant dependence with intoxication
- F18.24Inhalant dependence with inhalant-induced mood disorderBillable
- F18.25Inhalant dependence with inhalant-induced psychotic disorder
- F18.27Inhalant dependence with inhalant-induced dementiaBillable
- F18.28Inhalant dependence with other inhalant-induced disorders
- F18.29Inhalant dependence with unspecified inhalant-induced disorderBillable
Coding notes
Notes that apply from higher levels
Instructions written at a parent level also apply to F18.2.
› From F18 Inhalant related disorders
- volatile solvents
Broader instructions also apply from Chapter 5: Mental, Behavioral and Neurodevelopmental disorders.
Codes whose notes reference F18.2
Code history
- 2016
- 2017
- 2018
- 2019
- 2020
- 2021
- 2022
- 2023
- 2024
- 2025
- 2026
- 2027
- FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
- No changes since FY2016.
Common questions about F18.2
Is F18.2 billable?
- No. F18.2 is a header code. Report one of its more specific subcodes instead.