ICD-10-CM Book 2025 Edition
Chapters ICD-10-CM Book Table of Content /
Z20-Z29 Persons with potential health hazards related to communicable diseases /
Z23 Encounter for immunization
Billable ICD-10-CM Code Z23
Z23
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Encounter for immunization 
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codeFirst
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any routine childhood examination |
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codeAlso
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, if applicable, encounter for immunization safety counseling (Z71.85) |
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notes
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procedure codes are required to identify the types of immunizations given |
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