2006 ICD-9-CM Volume 1 Diagnosis Codes > Endocrine, Nutritional And Metabolic Diseases, And Immunity Disorders 240-279 > Disorders Of Thyroid Gland 240-246 > 240 Simple and unspecified goiter 241 Nontoxic nodular goiter 242 Thyrotoxicosis with or without goiter 243 Congenital hypothyroidism 244 Acquired hypothyroidism 245 Thyroiditis 246 Other disorders of thyroid