Question 1

Is E66 a billable ICD-10 code?

Accepted Answer

No, E66 is not a billable code. It is a category code that requires additional specificity. You must select a more specific code from the subcategories for billing purposes.

Question 2

What does ICD-10 code E66 mean?

Accepted Answer

ICD-10-CM code E66 represents Overweight and obesity. This code is part of the International Classification of Diseases, 10th Revision, Clinical Modification used for medical coding and billing in the United States.

Question 3

When was ICD-10 code E66 introduced?

Accepted Answer

Code E66 has been part of ICD-10-CM since 2016, when the coding system was mandated for use in the United States. This code was included in the original US implementation.

Question 4

What is the parent category for ICD-10 code E66?

Accepted Answer

The parent category for E66 is section:E65-E68 (Overweight, obesity and other hyperalimentation (E65-E68)). This hierarchical classification helps organize related diagnoses for more accurate coding.

Question 5

What conditions should be coded separately from E66?

Accepted Answer

Code E66 has Type 2 Excludes including: adiposogenital dystrophy (E23.6); lipomatosis dolorosa [Dercum] (E88.2); lipomatosis NOS (E88.2) and 1 more conditions. These conditions are not included in E66 but can be coded together if the patient has both conditions.

Question 6

Should I use additional codes with E66?

Accepted Answer

Yes, when coding E66, consider adding codes for: code to identify body mass index (BMI), if known, for adults (Z68.1-Z68.45) or pediatrics (Z68.5-). Additional codes provide more specificity about the patient's condition.

E662027

Excludes11Not coded together

Code First1Sequence another code first

Excludes24Not included here

Use Additional Code1Add code for detail

Notes1Additional information

Related Clinical Codes7Manifestation & etiology relationships

Excluded By1Codes that exclude this one