ICD-10-CM > S00-T88 > T51-T65 > T62 > T62.0 > T62.0X > T62.0X4 T62.0X4 Toxic effect of ingested mushrooms, undetermined Non-Billable/Non-Specific Codes T62.0X4A..., initial encounterT62.0X4D..., subsequent encounterT62.0X4S..., sequela