2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Endocrine, Nutritional And Metabolic Diseases, And Immunity Disorders 240-279 > Disorders Of Thyroid Gland 240-246 > Nontoxic Nodular Goiter 241.* > 2008 ICD-9-CM Diagnosis 241.0 Nontoxic uninodular goiter  On October 1, 2008 the 2009 ICD-9-CM codes came into effect. Therefore, this code may be out of date. The 2009 version of ICD-9-CM 241.0 can be accessed here. A small circumscribed mass of differentiated tissue associated with the thyroid gland. It can be pathogenic or non-pathogenic. The growth of nodules can lead to a condition of GOITER, NODULAR. Most nodules appear between the ages of 30 and 50 years and most are benign. 241.0 is a specific code that can be used to specify a diagnosis 241.0 contains 5 index entries View the ICD-9-CM Volume 1 241.* hierarchy ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog. 241.0 also known as: Thyroid nodule Uninodular goiter (nontoxic) Index entries containing 241.0: Goiter (adolescent) (colloid) (diffuse) (dipping) (due to iodine deficiency) (endemic) (euthyroid) (heart) (hyperplastic) (internal) (intrathoracic) (juvenile) (mixed type) (nonendemic) (parenchymatous) (plunging) (sporadic) (subclavicular) (substernal) 240.9 nodular (nontoxic) 241.9 uninodular (nontoxic) 241.0 nontoxic (nodular) 241.9 uninodular 241.0 uninodular (nontoxic) 241.0 toxic or with hyperthyroidism (see also Goiter, toxic) 242.1 Nodule(s), nodular thyroid (gland) (nontoxic) (uninodular) 241.0 with hyperthyroidism 242.1 thyrotoxicosis 242.1 toxic or with hyperthyroidism 242.1 Struma (see also Goiter) 240.9 nodosa (simplex) 241.9 uninodular 241.0