Is E23 a billable code?
No. E23 is a header code that groups 6 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
E23: Hypofunction and other disorders of the pituitary gland
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
E23 groups related diagnoses under hypofunction and other disorders of the pituitary gland. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
E23 questions
What does E23 mean?
E23 is the ICD-10-CM code for Hypofunction and other disorders of the pituitary gland. It is in chapter 4, Endocrine, nutritional and metabolic diseases (E00-E89).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.