ICD-10-CM > S00-T88 > T51-T65 > T59 > T59.5 T59.5 Toxic effect of fluorine gas and hydrogen fluoride Non-Billable/Non-Specific Codes T59.5XToxic effect of fluorine gas and hydrogen fluorideT59.5X1Toxic effect of fluorine gas and hydrogen fluoride, accidental (unintentional)T59.5X1A..., initial encounterT59.5X1D..., subsequent encounterT59.5X1S..., sequelaT59.5X2Toxic effect of fluorine gas and hydrogen fluoride, intentional self-harmT59.5X2A..., initial encounterT59.5X2D..., subsequent encounterT59.5X2S..., sequelaT59.5X3Toxic effect of fluorine gas and hydrogen fluoride, assaultT59.5X3A..., initial encounterT59.5X3D..., subsequent encounterT59.5X3S..., sequelaT59.5X4Toxic effect of fluorine gas and hydrogen fluoride, undeterminedT59.5X4A..., initial encounterT59.5X4D..., subsequent encounterT59.5X4S..., sequela