Z28.31 is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Underimmunization for COVID-19 status.
Notes
These codes should not be used for individuals who are not eligible for the COVID-19 vaccines, as determined by the healthcare provider.
Codes
Versions
2025
No changes
2024
No changes
2023
No changes
2022
New code