ICD-10-CM > S00-T88 > T51-T65 > T56 > T56.4 > T56.4X > T56.4X1 T56.4X1 Toxic effect of copper and its compounds, accidental (unintentional) Non-Billable/Non-Specific Applicable To Toxic effects of copper and its compounds NOS Codes T56.4X1A..., initial encounterT56.4X1D..., subsequent encounterT56.4X1S..., sequela