E66.1
Billable

Drug-induced obesity

Billable / Specific Code

What is Drug-induced obesity?

ICD-10-CM E66.1 is the diagnosis code for Drug-induced obesity. This code falls under the section "Overweight, obesity and other hyperalimentation" 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.

Coding Guidelines for E66.1

Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.

ICD-10-CM Code Hierarchy

Understanding where E66.1 sits in the ICD-10-CM classification helps ensure proper coding:

Related Codes

Frequently Asked Questions

Is E66.1 a billable ICD-10-CM code?

Yes, E66.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does E66.1 mean?

E66.1 is the ICD-10-CM diagnosis code for "Drug-induced obesity". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of E66.1?

The parent code of E66.1 is E66 ("Overweight and obesity"). E66.1 provides a more specific classification within this category.

What section is E66.1 in?

E66.1 is located in Section E65-E68 — "Overweight, obesity and other hyperalimentation" within Chapter 4 of the ICD-10-CM Tabular List.

When should I use E66.1?

Use E66.1 when the patients documented diagnosis matches "Drug-induced obesity" 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 Drug-induced obesity?

The ICD-10-CM code for Drug-induced obesity is E66.1.

Can E66.1 be used for primary diagnosis?

Yes, E66.1 can be used as a primary diagnosis code since it is billable and specific.

What chapter is E66.1 in?

E66.1 is in Chapter 4 of the ICD-10-CM Tabular List.

Is E66.1 valid for 2026?

Yes, E66.1 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousE66.09Other obesity due to excess caloriesNext →E66.2Morbid (severe) obesity with alveolar hypoventilation
Code Details
E66.1
Drug-induced obesity
Billable / Specific Code
4 — Endocrine, nutritional and metabolic diseases (E00-E89)
E65-E68 — Overweight, obesity and other hyperalimentation
2026 ICD-10-CM