ICD-10-CM > S00-T88 > T36-T50 > T36 > T36.6 > T36.6X > T36.6X1 T36.6X1 Poisoning by rifampicins, accidental (unintentional) Non-Billable/Non-Specific Applicable To Poisoning by rifampicins NOS Codes T36.6X1A..., initial encounterT36.6X1D..., subsequent encounterT36.6X1S..., sequela