2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Neoplasms 140-239 > Benign Neoplasms 210-229 > Benign Neoplasm Of Other Endocrine Glands And Related Structures 227.* > 2006 ICD-9-CM Diagnosis 227.1 Benign neoplasm of parathyroid gland View the most recent version of ICD-9-CM 227.1 Benign growth of the cells that comprise the parathyroid gland. 227.1 is a specific code that can be used to specify a diagnosis 227.1 contains 2 index entries View the ICD-9-CM Volume 1 227.* hierarchy  Index entries containing 227.1: Adenoma (sessile) (M8140/0) - see also Neoplasm, by site, benign chief cell (M8321/0) 227.1 water-clear cell (M8322/0) 227.1