ICD-10 Z29
Non-Billable HeaderEncounter for other prophylactic measures
About ICD-10-CM Z29
ICD-10-CM code Z29 represents Encounter for other prophylactic measures. This is a non-billable header code in the Factors Influencing Health Status chapter (block Z29). The 2026 edition of ICD-10-CM Z29 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 Z29. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- desensitization to allergens (Z51.6)
- prophylactic surgery (Z40.-)
Medicare LCD Coverage for Z29
Local Coverage Determinations (LCDs) from CMS MACs that list Z29 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 Z29.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but Z29 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with Z29
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 Z29
Other codes in section Z20-Z29 (Persons with potential health hazards related to communicable diseases).
ICD-10 Z29, Billing FAQ
Is ICD-10 code Z29 billable? +
No, Z29 is a non-billable header code. Use a more specific child code from block Z29 when submitting claims.
What codes are Type 1 Excludes for Z29? +
Type 1 Excludes (never code together with Z29): desensitization to allergens (Z51.6); prophylactic surgery (Z40.-)
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on June 1, 2026.
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