ICD-10-CM > S00-T88 > T51-T65 > T57 > T57.3 > T57.3X T57.3X Toxic effect of hydrogen cyanide Non-Billable/Non-Specific Codes T57.3X1Toxic effect of hydrogen cyanide, accidental (unintentional)T57.3X1A..., initial encounterT57.3X1D..., subsequent encounterT57.3X1S..., sequelaT57.3X2Toxic effect of hydrogen cyanide, intentional self-harmT57.3X2A..., initial encounterT57.3X2D..., subsequent encounterT57.3X2S..., sequelaT57.3X3Toxic effect of hydrogen cyanide, assaultT57.3X3A..., initial encounterT57.3X3D..., subsequent encounterT57.3X3S..., sequelaT57.3X4Toxic effect of hydrogen cyanide, undeterminedT57.3X4A..., initial encounterT57.3X4D..., subsequent encounterT57.3X4S..., sequela