ICD-10 F03.A
Non-Billable HeaderUnspecified dementia, mild
About ICD-10-CM F03.A
ICD-10-CM code F03.A represents Unspecified dementia, mild. This is a non-billable header code in the Mental, Behavioral, and Neurodevelopmental chapter (block F03). The 2026 edition of ICD-10-CM F03.A 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.
Type 1 Excludes
Pure excludes, these codes can never be coded together with F03.A. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- mild neurocognitive disorder due to known physiological condition with or without behavioral disturbance (F06.7-)
Medicare LCD Coverage for F03.A
Local Coverage Determinations (LCDs) from CMS MACs that list F03.A 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 F03.A.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but F03.A doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with F03.A
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 F03.A
Other codes in section F01-F09 (Mental disorders due to known physiological conditions).
ICD-10 F03.A, Billing FAQ
Is ICD-10 code F03.A billable? +
No, F03.A is a non-billable header code. Use a more specific child code from block F03 when submitting claims.
What codes are Type 1 Excludes for F03.A? +
Type 1 Excludes (never code together with F03.A): mild neurocognitive disorder due to known physiological condition with or without behavioral disturbance (F06.7-)
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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