ICD-10-CM > S00-T88 > T51-T65 > T56 > T56.1 > T56.1X > T56.1X1 > T56.1X1D T56.1X1D Toxic effect of mercury and its compounds, accidental (unintentional), subsequent encounter Billable/Specific Copy Code Copy Description Applicable To Toxic effects of mercury and its compounds NOS