ICD-10-CM > S00-T88 > T36-T50 > T45 > T45.9 > T45.94 T45.94 Poisoning by unspecified primarily systemic and hematological agent, undetermined Non-Billable/Non-Specific Codes T45.94XA..., initial encounterT45.94XD..., subsequent encounterT45.94XS..., sequela