ICD-10-CM > S00-T88 > T36-T50 > T45 > T45.8 > T45.8X > T45.8X4 T45.8X4 Poisoning by other primarily systemic and hematological agents, undetermined Non-Billable/Non-Specific Codes T45.8X4A..., initial encounterT45.8X4D..., subsequent encounterT45.8X4S..., sequela