2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Endocrine, Nutritional And Metabolic Diseases, And Immunity Disorders 240-279 > Diseases Of Other Endocrine Glands 250-259 > Disorders Of Adrenal Glands 255.* > 2006 ICD-9-CM Diagnosis 255.6 Medulloadrenal hyperfunction View the most recent version of ICD-9-CM 255.6 255.6 is a specific code that can be used to specify a diagnosis 255.6 contains 7 index entries View the ICD-9-CM Volume 1 255.* hierarchy Alternate Terminology Catecholamine secretion by pheochromocytoma  Index entries containing 255.6: Hyperadrenalism (cortical) 255.3 medullary 255.6 Hyperfunction adrenal (cortex) 255.3 medulla 255.6 medulloadrenal 255.6 Hypersecretion medulloadrenal 255.6 Increase, increased function adrenal (cortex) 255.3 medulla 255.6 Secretion catecholamine, by pheochromocytoma 255.6 hormone by pheochromocytoma 255.6