ICD-10-CM > S00-T88 > T36-T50 > T46 > T46.1 > T46.1X > T46.1X1 > T46.1X1D T46.1X1D Poisoning by calcium-channel blockers, accidental (unintentional), subsequent encounter Billable/Specific Copy Code Copy Description Applicable To Poisoning by calcium-channel blockers NOS