2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Endocrine, Nutritional And Metabolic Diseases, And Immunity Disorders 240-279 > Disorders Of Thyroid Gland 240-246 > ICD-9-CM Diagnosis 241 Nontoxic nodular goiter 241 is a non-specific code that cannot be used to specify a diagnosis ICD-9-CM Diagnosis 241.0 Nontoxic uninodular goiter 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 ICD-9-CM Diagnosis 241.1 Nontoxic multinodular goiter 241.1 is a specific code that can be used to specify a diagnosis 241.1 contains 4 index entries ICD-9-CM Diagnosis 241.9 Unspecified nontoxic nodular goiter An enlarged thyroid gland containing circumscribed nodules within its substance. 241.9 is a specific code that can be used to specify a diagnosis 241.9 contains 10 index entries