ICD-10-CM > E00-E89 > E00-E07 > E01 E01 Iodine-deficiency related thyroid disorders and allied conditions Non-Billable/Non-Specific Type 1 Excludes congenital iodine-deficiency syndrome (E00.-)subclinical iodine-deficiency hypothyroidism (E02) Codes E01.0Iodine-deficiency related diffuse (endemic) goiterE01.1Iodine-deficiency related multinodular (endemic) goiterE01.2Iodine-deficiency related (endemic) goiter, unspecifiedE01.8Other iodine-deficiency related thyroid disorders and allied conditions