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 > 2006 ICD-9-CM Diagnosis 255 Disorders of adrenal glands View the most recent version of ICD-9-CM 255 Pathological processes of the ADRENAL GLANDS. 255 is a non-specific code that cannot be used to specify a diagnosis 255 Includes the listed conditions whether the basic disorder is in the adrenals or is pituitary-induced