E23.2
Billable

Diabetes insipidus

Billable / Specific Code

What is Diabetes insipidus?

ICD-10-CM E23.2 is the diagnosis code for Diabetes insipidus. This code falls under the section "Disorders of other endocrine glands" within Chapter 4 — Endocrine, nutritional and metabolic diseases (E00-E89). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

⛔ Excludes1

Coding Guidelines for E23.2

⛔ Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as E23.2. They are mutually exclusive:

  • nephrogenic diabetes insipidus (N25.1)

ICD-10-CM Code Hierarchy

Understanding where E23.2 sits in the ICD-10-CM classification helps ensure proper coding:

Related Codes

Frequently Asked Questions

Is E23.2 a billable ICD-10-CM code?

Yes, E23.2 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does E23.2 mean?

E23.2 is the ICD-10-CM diagnosis code for "Diabetes insipidus". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of E23.2?

The parent code of E23.2 is E23 ("Hypofunction and other disorders of the pituitary gland"). E23.2 provides a more specific classification within this category.

What section is E23.2 in?

E23.2 is located in Section E20-E35 — "Disorders of other endocrine glands" within Chapter 4 of the ICD-10-CM Tabular List.

When should I use E23.2?

Use E23.2 when the patients documented diagnosis matches "Diabetes insipidus" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Diabetes insipidus?

The ICD-10-CM code for Diabetes insipidus is E23.2.

Can E23.2 be used for primary diagnosis?

Yes, E23.2 can be used as a primary diagnosis code since it is billable and specific.

What chapter is E23.2 in?

E23.2 is in Chapter 4 of the ICD-10-CM Tabular List.

What conditions are excluded from E23.2?

Type 1 Excludes for E23.2 include: nephrogenic diabetes insipidus (N25.1).

Is E23.2 valid for 2026?

Yes, E23.2 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousE23.1Drug-induced hypopituitarismNext →E23.3Hypothalamic dysfunction, not elsewhere classified
Code Details
E23.2
Diabetes insipidus
Billable / Specific Code
4 — Endocrine, nutritional and metabolic diseases (E00-E89)
E20-E35 — Disorders of other endocrine glands
2026 ICD-10-CM