ICD-10-CM > S00-T88 > T51-T65 > T52 > T52.0 > T52.0X > T52.0X4 T52.0X4 Toxic effect of petroleum products, undetermined Non-Billable/Non-Specific Codes T52.0X4A..., initial encounterT52.0X4D..., subsequent encounterT52.0X4S..., sequela