E27.0 – Other adrenocortical overactivity
ICD-10-CM 2027 diagnosis code · Disorders of other endocrine glands
ICD-10-CM code
E27.0
- Code
E27.0(claims format:E270)- Description
- Other adrenocortical overactivity
- 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 for E27.0
Applicable to:
- Overproduction of ACTH, not associated with Cushing's disease
- Premature adrenarche
Excludes1 (not coded here):
- Cushing's syndrome (E24.-)
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
Block E20-E35
Index terms for E27.0
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Slocumb's syndrome
- Syndrome, Slocumb's
- Schroeder's syndrome
- Overproduction, ACTH
- Hypersecretion, ACTH
- Syndrome, Schroeder's
- Premature, adrenarche
- Adrenarche, premature
- Hypersecretion, hormone, ACTH
- Syndrome, suprarenal cortical
- Overactive, adrenal cortex NEC
- Dysadrenocortism, hyperfunction
- Syndrome, endocrine-hypertensive
- Dysfunction, adrenal, hyperfunction
- Dysfunction, suprarenal, hyperfunction
- Disease, diseased, adrenal, hyperfunction
- Disease, diseased, suprarenal, hyperfunction
- Hyperadrenocorticism, not associated with Cushing's syndrome
- Hyperfunction, adrenal cortex, not associated with Cushing's syndrome
Related codes in E27
- 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
- E27.9 – Disorder of adrenal gland, unspecifiedBillable
Frequently asked questions
What is ICD-10 code E27.0?
E27.0 is the ICD-10-CM code for other adrenocortical overactivity, in the block E20-E35 (Disorders of other endocrine glands).
Is E27.0 a billable code?
Yes. E27.0 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does E27.0 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.