E27.5
ICD-10BillableAdrenomedullary hyperfunction
Official ICD-10-CM descriptor (FY2026)
Adrenomedullary hyperfunction
E27.5 is valid for submission on a claim — CMS flags it as a billable, specific code.
Inclusion terms
- Adrenomedullary hyperplasia
- Catecholamine hypersecretion
Code also
Two codes may be needed; sequencing depends on the reason for the encounter.
- , if applicable:
- malignant pheochromocytoma (C74.1-)
- pheochromocytoma (benign) (D35.0-)
- secondary hypertension (I15.2)
Related codes in E27
- E27.0Other adrenocortical overactivity
- E27.1Primary adrenocortical insufficiency
- E27.2Addisonian crisis
- E27.3Drug-induced adrenocortical insufficiency
- E27.4Other and unspecified adrenocortical insufficiencycategory
- E27.8Other specified disorders of adrenal gland
- E27.9Disorder of adrenal gland, unspecified
Where this code sits
- Parent code
- E27
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.