ICD-10-CM > S00-T88 > T51-T65 > T56 > T56.4 > T56.4X > T56.4X3 T56.4X3 Toxic effect of copper and its compounds, assault Non-Billable/Non-Specific Codes T56.4X3A..., initial encounterT56.4X3D..., subsequent encounterT56.4X3S..., sequela