Causes of a goiter include an imbalance in the thyroid gland and Goiter symptoms generally occur in a gland that is overactive, producing too much hormone (hyperthyroidism), or that is underactive, producing too little hormone (hypothyroidism).
ICD-9 170.3 is malignant neoplasm of ribs, sternum, and clavicle (1703). This code is grouped under diagnosis codes for neoplasms.
A HÃ¼rthle cell neoplasm is defined generally as an encapsulated thyroid lesion comprising at least 75% HÃ¼rthle cells. A benign neoplasm cannot be distinguished from a malignant neoplasm on the basis of cytologic analysis of fine-needle aspiration (FNA) biopsy.