T56 is a non-billable/non-specific diagnosis code from the 2026 ICD-10-CM used to classify the following condition: Toxic effect of metals.
Includes
Toxic effects of fumes and vapors of metals
Toxic effects of metals from all sources, except medicinal substances
Use additional code
Type 1 excludes
Seventh character note
The appropriate 7th character is to be added to each code from category T56
Seventh character extensions
A: initial encounter
D: subsequent encounter
S: sequela
Codes
T56.0
Toxic effects of lead and its compounds
T56.1
Toxic effects of mercury and its compounds
T56.2
Toxic effects of chromium and its compounds
T56.3
Toxic effects of cadmium and its compounds
T56.4
Toxic effects of copper and its compounds
T56.5
Toxic effects of zinc and its compounds
T56.6
Toxic effects of tin and its compounds
T56.7
Toxic effects of beryllium and its compounds
T56.8
Toxic effects of other metals
T56.9
Toxic effects of unspecified metal
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