Specific code 2014 ICD-9-CM Diagnosis Code 255.6
Medulloadrenal hyperfunction
  • Billable Code
  • Short description: Medulloadrenal hyperfunc.
  • ICD-9-CM 255.6 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 255.6 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Applies To
  • Catecholamine secretion by pheochromocytoma
Convert to ICD-10-CM: 255.6 converts directly to:
  • 2014 ICD-10-CM E27.5 Adrenomedullary hyperfunction
ICD-9-CM Volume 2 Index entries containing back-references to 255.6:
  • Hyperadrenalism (cortical) 255.3
    • medullary 255.6
  • Hyperfunction
    • adrenal (cortex) 255.3
      • androgenic, acquired benign 255.3
      • medulla 255.6
      • virilism 255.2
    • medulloadrenal 255.6
  • Hypersecretion
    • medulloadrenal 255.6
  • Increase, increased
    • function
      • adrenal (cortex) 255.3
        • medulla 255.6
      • pituitary (anterior) (gland) (lobe) 253.1
  • Secretion
    • catecholamine, by pheochromocytoma 255.6
    • hormone
      • antidiuretic, inappropriate (syndrome) 253.6
      • by
        • carcinoid tumor 259.2
        • pheochromocytoma 255.6
      • ectopic NEC 259.3
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 255.6 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2014 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.