E27.4Header code — not billable
Other and unspecified adrenocortical insufficiency
- Chapter
- 4. Endocrine, nutritional and metabolic diseases
- Category
- E27
- Effective date
- October 1, 2026
Related codes in category E27
E27Other disorders of adrenal glandE27.0Other adrenocortical overactivityYesE27.1Primary adrenocortical insufficiencyYesE27.2Addisonian crisisYesE27.3Drug-induced adrenocortical insufficiencyYesE27.40Unspecified adrenocortical insufficiencyYesE27.49Other adrenocortical insufficiencyYesE27.5Adrenomedullary hyperfunctionYesE27.8Other specified disorders of adrenal glandYesE27.9Disorder of adrenal gland, unspecifiedYes
Frequently asked questions
What is ICD-10 code E27.4?
E27.4 is an ICD-10-CM diagnosis code for Other and unspecified adrenocortical insufficiency.
Is E27.4 a billable code?
No. E27.4 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is E27.4 in?
E27.4 falls under Chapter 4: Endocrine, nutritional and metabolic diseases.
When did E27.4 become effective?
E27.4 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to E27.4?
E27.4 belongs to category E27, which includes 10 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.