E27.9 – Disorder of adrenal gland, unspecified

ICD-10-CM 2027 diagnosis code · Disorders of other endocrine glands

Billable code

ICD-10-CM code E27.9

Code: E27.9 (claims format: E279)
Description: Disorder of adrenal gland, unspecified
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 4. Endocrine, nutritional and metabolic diseases (E00-E89)
Block: E20-E35 Disorders of other endocrine glands
Parent codes: E27

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Block E20-E35

Excludes1 (not coded here):

galactorrhea (N64.3)
gynecomastia (N62)

Index terms for E27.9

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in E27

E27.0 – Other adrenocortical overactivityBillable
E27.1 – Primary adrenocortical insufficiencyBillable
E27.2 – Addisonian crisisBillable
E27.3 – Drug-induced adrenocortical insufficiencyBillable
E27.4 – Other and unspecified adrenocortical insufficiencyHeader
E27.5 – Adrenomedullary hyperfunctionBillable
E27.8 – Other specified disorders of adrenal glandBillable

Frequently asked questions

What is ICD-10 code E27.9?

E27.9 is the ICD-10-CM code for disorder of adrenal gland, unspecified, in the block E20-E35 (Disorders of other endocrine glands).

Is E27.9 a billable code?

Yes. E27.9 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does E27.9 belong to?

It belongs to category E27 – Other disorders of adrenal gland.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.