Is E23.3 a billable ICD-10 code?

Yes. E23.3 (Hypothalamic dysfunction, not elsewhere classified) is billable and can be used for insurance claims. Always verify payer-specific requirements.

E23.3 ✓ Billable

Hypothalamic dysfunction, not elsewhere classified

Q: What is ICD-10 code E23.3?

ICD-10-CM code E23.3 stands for "Hypothalamic dysfunction, not elsewhere classified". It is a billable code in the Endocrine, Nutritional and Metabolic Diseases chapter, effective FY2026 (Oct 1, 2025 – Sep 30, 2026).

ICD-10-CM · FY2026 · Endocrine, Nutritional and Metabolic Diseases

Code

E23.3

System

ICD-10-CM

Billable

Yes — valid for submission

Effective

FY2026

Chapter

Endocrine, Nutritional and Metabolic Diseases

Source

CMS / CDC NCHS

⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.

Frequently asked questions

What is ICD-10 code E23.3?

ICD-10-CM code E23.3 represents Hypothalamic dysfunction, not elsewhere classified. It is a billable diagnosis code in the Endocrine, Nutritional and Metabolic Diseases chapter, effective October 1, 2025 – September 30, 2026.

Is E23.3 billable?

Yes. E23.3 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.

What chapter is E23.3 in?

E23.3 belongs to the Endocrine, Nutritional and Metabolic Diseases chapter (E00–E89) of ICD-10-CM.

Related codes in the E23 category

E23 Hypofunction and other disorders of the pituitary gland Non-billable E23.0 Hypopituitarism Billable E23.1 Drug-induced hypopituitarism Billable E23.2 Diabetes insipidus Billable E23.6 Other disorders of pituitary gland Billable E23.7 Disorder of pituitary gland, unspecified Billable

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