T78 is a non-billable/non-specific diagnosis code from the 2026 ICD-10-CM used to classify the following condition: Adverse effects, not elsewhere classified.
Type 2 excludes
Complications of surgical and medical care NEC (T80-T88)
Seventh character note
The appropriate 7th character is to be added to each code from category T78
Seventh character extensions
A: initial encounter
D: subsequent encounter
S: sequela
Codes
Versions
2026
No changes
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