ICD-10-CM > S00-T88 > T51-T65 > T56 > T56.8 > T56.82 > T56.821 T56.821 Toxic effect of gadolinium, accidental (unintentional) Non-Billable/Non-Specific Applicable To Toxic effect of gadolinium NOS Codes T56.821A..., initial encounterT56.821D..., subsequent encounterT56.821S..., sequela