ICD-10-CM > S00-T88 > T36-T50 > T46 > T46.9 > T46.90 > T46.905 T46.905 Adverse effect of unspecified agents primarily affecting the cardiovascular system Non-Billable/Non-Specific Codes T46.905A..., initial encounterT46.905D..., subsequent encounterT46.905S..., sequela