10ICD Code Hub

E27.5

Billable code

Adrenomedullary hyperfunction

The ICD-10 code for adrenomedullary hyperfunction is E27.5.

Clinical notes

Code also

Two codes may be needed to fully describe a condition, but unlike Code First/Use Additional Code, the sequencing order is not mandated by convention.

  • , if applicable:
  • malignant pheochromocytoma (C74.1-)
  • pheochromocytoma (benign) (D35.0-)
  • secondary hypertension (I15.2)

Also known as

Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.

  • Adrenomedullary hyperplasia
  • Catecholamine hypersecretion

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

Related codes in this category

ICD-9-CM equivalent

Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.

View full ICD-10 → ICD-9 crosswalk →

Associated MS-DRGs

E27.5 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.

Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.