ICD-10-CM Diagnosis Code (2025)
Official Description for Z28.39
Other underimmunization status
Coding Notes & Guidelines for Z28.39
Inclusion Terms
- Delinquent immunization status
- Lapsed immunization schedule status
Parent Code (Less Specific):
About ICD-10-CM Code Z28.39 (Other underimmunization status)
ICD-10-CM code Z28.39 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 Z28.39 became effective on October 1, 2024.
This page provides detailed information about Z28.39 - Other underimmunization status. 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 Other underimmunization status.