ICD-10 Z22.33
Non-Billable HeaderCarrier of bacterial disease due to streptococci
About ICD-10-CM Z22.33
ICD-10-CM code Z22.33 represents Carrier of bacterial disease due to streptococci. This is a non-billable header code in the Factors Influencing Health Status chapter (block Z22). The 2026 edition of ICD-10-CM Z22.33 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 Z22.33
Local Coverage Determinations (LCDs) from CMS MACs that list Z22.33 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 Z22.33.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but Z22.33 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with Z22.33
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 Z22.33
Other codes in section Z20-Z29 (Persons with potential health hazards related to communicable diseases).
ICD-10 Z22.33, Billing FAQ
Is ICD-10 code Z22.33 billable? +
No, Z22.33 is a non-billable header code. Use a more specific child code from block Z22 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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