ICD-10 E56
Non-Billable HeaderOther vitamin deficiencies
About ICD-10-CM E56
ICD-10-CM code E56 represents Other vitamin deficiencies. This is a non-billable header code in the Endocrine, Nutritional, and Metabolic chapter (block E56). The 2026 edition of ICD-10-CM E56 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 E56. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- sequelae of other vitamin deficiencies (E64.8)
Medicare LCD Coverage for E56
Local Coverage Determinations (LCDs) from CMS MACs that list E56 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 E56.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but E56 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with E56
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 E56
Other codes in section E50-E64 (Other nutritional deficiencies).
ICD-10 E56, Billing FAQ
Is ICD-10 code E56 billable? +
No, E56 is a non-billable header code. Use a more specific child code from block E56 when submitting claims.
What codes are Type 1 Excludes for E56? +
Type 1 Excludes (never code together with E56): sequelae of other vitamin deficiencies (E64.8)
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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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