ICD-10-CM > S00-T88 > T51-T65 > T63 > T63.3 > T63.30 > T63.303 T63.303 Toxic effect of unspecified spider venom, assault Non-Billable/Non-Specific Codes T63.303A..., initial encounterT63.303D..., subsequent encounterT63.303S..., sequela