ICD-10-CM > S00-T88 > T51-T65 > T56 > T56.4 > T56.4X T56.4X Toxic effects of copper and its compounds Non-Billable/Non-Specific Codes T56.4X1Toxic effect of copper and its compounds, accidental (unintentional)T56.4X1A..., initial encounterT56.4X1D..., subsequent encounterT56.4X1S..., sequelaT56.4X2Toxic effect of copper and its compounds, intentional self-harmT56.4X2A..., initial encounterT56.4X2D..., subsequent encounterT56.4X2S..., sequelaT56.4X3Toxic effect of copper and its compounds, assaultT56.4X3A..., initial encounterT56.4X3D..., subsequent encounterT56.4X3S..., sequelaT56.4X4Toxic effect of copper and its compounds, undeterminedT56.4X4A..., initial encounterT56.4X4D..., subsequent encounterT56.4X4S..., sequela