ICD-10-CM > S00-T88 > T51-T65 > T59 > T59.7 > T59.7X T59.7X Toxic effect of carbon dioxide Non-Billable/Non-Specific Codes T59.7X1Toxic effect of carbon dioxide, accidental (unintentional)T59.7X1A..., initial encounterT59.7X1D..., subsequent encounterT59.7X1S..., sequelaT59.7X2Toxic effect of carbon dioxide, intentional self-harmT59.7X2A..., initial encounterT59.7X2D..., subsequent encounterT59.7X2S..., sequelaT59.7X3Toxic effect of carbon dioxide, assaultT59.7X3A..., initial encounterT59.7X3D..., subsequent encounterT59.7X3S..., sequelaT59.7X4Toxic effect of carbon dioxide, undeterminedT59.7X4A..., initial encounterT59.7X4D..., subsequent encounterT59.7X4S..., sequela