Billable / Specific Code
ICD-10-CM F18.21 is the diagnosis code for Inhalant dependence, in remission. This code falls under the section "Mental and behavioral disorders due to psychoactive substance use" within Chapter 5 — Mental, Behavioral and Neurodevelopmental disorders (F01-F99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Understanding where F18.21 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, F18.21 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
F18.21 is the ICD-10-CM diagnosis code for "Inhalant dependence, in remission". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of F18.21 is F18.2 ("Inhalant dependence"). F18.21 provides a more specific classification within this category.
F18.21 is located in Section F10-F19 — "Mental and behavioral disorders due to psychoactive substance use" within Chapter 5 of the ICD-10-CM Tabular List.
Use F18.21 when the patients documented diagnosis matches "Inhalant dependence, in remission" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Inhalant dependence, in remission is F18.21.
Yes, F18.21 can be used as a primary diagnosis code since it is billable and specific.
F18.21 is in Chapter 5 of the ICD-10-CM Tabular List.
Yes, F18.21 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.