E23.1 – Drug-induced hypopituitarism

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

Billable code

ICD-10-CM code E23.1
Code
E23.1 (claims format: E231)
Description
Drug-induced hypopituitarism
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
E23

Notes for E23.1

Use additional code:
  • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

Notes inherited from parent codes

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

E23 – Hypofunction and other disorders of the pituitary gland

Includes:
  • the listed conditions whether the disorder is in the pituitary or the hypothalamus
Excludes1 (not coded here):
  • postprocedural hypopituitarism (E89.3)
  • short stature due to endocrine disorder (E34.3-)

Block E20-E35

Excludes1 (not coded here):

Index terms for E23.1

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

Related codes in E23

Frequently asked questions

What is ICD-10 code E23.1?

E23.1 is the ICD-10-CM code for drug-induced hypopituitarism, in the block E20-E35 (Disorders of other endocrine glands).

Is E23.1 a billable code?

Yes. E23.1 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does E23.1 belong to?

It belongs to category E23 – Hypofunction and other disorders of the pituitary 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.