ICD-10-CM > S00-T88 > T51-T65 > T56 > T56.1 > T56.1X T56.1X Toxic effects of mercury and its compounds Non-Billable/Non-Specific Codes T56.1X1Toxic effect of mercury and its compounds, accidental (unintentional)T56.1X1A..., initial encounterT56.1X1D..., subsequent encounterT56.1X1S..., sequelaT56.1X2Toxic effect of mercury and its compounds, intentional self-harmT56.1X2A..., initial encounterT56.1X2D..., subsequent encounterT56.1X2S..., sequelaT56.1X3Toxic effect of mercury and its compounds, assaultT56.1X3A..., initial encounterT56.1X3D..., subsequent encounterT56.1X3S..., sequelaT56.1X4Toxic effect of mercury and its compounds, undeterminedT56.1X4A..., initial encounterT56.1X4D..., subsequent encounterT56.1X4S..., sequela