E27.40Billable
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 insufficiencyYesE27.4Other and unspecified adrenocortical insufficiencyE27.49Other adrenocortical insufficiencyYesE27.5Adrenomedullary hyperfunctionYesE27.8Other specified disorders of adrenal glandYesE27.9Disorder of adrenal gland, unspecifiedYes
Frequently asked questions
What is ICD-10 code E27.40?
E27.40 is an ICD-10-CM diagnosis code for Unspecified adrenocortical insufficiency.
Is E27.40 a billable code?
Yes. E27.40 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is E27.40 in?
E27.40 falls under Chapter 4: Endocrine, nutritional and metabolic diseases.
When did E27.40 become effective?
E27.40 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to E27.40?
E27.40 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.