T50.Z91 is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Poisoning by other vaccines and biological substances, accidental (unintentional).
Codes
T50.Z91A
Poisoning by other vaccines and biological substances, accidental (unintentional), initial encounter
T50.Z91D
Poisoning by other vaccines and biological substances, accidental (unintentional), subsequent encounter
T50.Z91S
Poisoning by other vaccines and biological substances, accidental (unintentional), sequela
Versions
2025
No changes
2024
No changes
2023
No changes
2022
No changes
2021
No changes
2020
No changes
2019
No changes
2018
No changes
2017
No changes
2016
New code