ICD-10-CM > E00-E89 > E00-E07 > E05 > E05.2 E05.2 Thyrotoxicosis with toxic multinodular goiter Non-Billable/Non-Specific Applicable To Toxic nodular goiter NOS Codes E05.20Thyrotoxicosis with toxic multinodular goiter without thyrotoxic crisis or stormE05.21Thyrotoxicosis with toxic multinodular goiter with thyrotoxic crisis or storm