ICD-10 Z33
Non-Billable HeaderPregnant state
About ICD-10-CM Z33
ICD-10-CM code Z33 represents Pregnant state. This is a non-billable header code in the Factors Influencing Health Status chapter (block Z33). The 2026 edition of ICD-10-CM Z33 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 Z33
Local Coverage Determinations (LCDs) from CMS MACs that list Z33 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 Z33.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but Z33 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with Z33
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 Z33
Other codes in section Z30-Z39 (Persons encountering health services in circumstances related to reproduction).
ICD-10 Z33, Billing FAQ
Is ICD-10 code Z33 billable? +
No, Z33 is a non-billable header code. Use a more specific child code from block Z33 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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