ICD-10-CM Diagnosis Code (2025)
Official Description for Z23
Encounter for immunization
Coding Notes & Guidelines for Z23
Code First
any routine childhood examination
Code Also
, if applicable, encounter for immunization safety counseling (Z71.85)
About ICD-10-CM Code Z23 (Encounter for immunization)
ICD-10-CM code Z23 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM Z23 became effective on October 1, 2024.
This page provides detailed information about Z23 - Encounter for immunization. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Encounter for immunization.