ICD-10 F18
Non-Billable HeaderInhalant related disorders
About ICD-10-CM F18
ICD-10-CM code F18 represents Inhalant related disorders. This is a non-billable header code in the Mental, Behavioral, and Neurodevelopmental chapter (block F18). The 2026 edition of ICD-10-CM F18 became effective on October 1, 2025. Non-billable codes cannot be used as a primary or secondary diagnosis on a claim, use a more specific child code instead.
Includes
- volatile solvents
Medicare LCD Coverage for F18
Local Coverage Determinations (LCDs) from CMS MACs that list F18 as a covered diagnosis.
This doesn't mean the code isn't covered, it means no MAC has issued a Local Coverage Determination naming this specific code. Coverage may still apply under National Coverage Determinations or general medical-necessity rules.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing F18.
1 Aetna
CPT Codes Commonly Billed with F18
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.
Codes Adjacent To F18
Other codes in section F10-F19 (Mental and behavioral disorders due to psychoactive substance use).
ICD-10 F18, Billing FAQ
Is ICD-10 code F18 billable? +
No, F18 is a non-billable header code. Use a more specific child code from block F18 when submitting claims.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on July 16, 2026.
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