ICD-10 Z28.0
Non-Billable HeaderImmunization not carried out because of contraindication
About ICD-10-CM Z28.0
ICD-10-CM code Z28.0 represents Immunization not carried out because of contraindication. This is a non-billable header code in the Factors Influencing Health Status chapter (block Z28). The 2026 edition of ICD-10-CM Z28.0 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.
Medicare LCD Coverage for Z28.0
Local Coverage Determinations (LCDs) from CMS MACs that list Z28.0 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 Z28.0.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but Z28.0 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with Z28.0
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 Z28.0
Other codes in section Z20-Z29 (Persons with potential health hazards related to communicable diseases).
ICD-10 Z28.0, Billing FAQ
Is ICD-10 code Z28.0 billable? +
No, Z28.0 is a non-billable header code. Use a more specific child code from block Z28 when submitting claims.
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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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