E66.81

Non-Billable
ChapterE00–E89
Ranksubcategory
Official Description

Obesity class

Metadata & Insights
  • Non-billable category (requires more specific sub-code).
  • Chapter 4: Endocrine, Nutritional and Metabolic Diseases (E00-E89).
General instructions are available for the parent sections:

Clinical Hierarchy

BillableHas subcodes
CH4Endocrine, nutritional and metabolic diseases (E00-E89)
E65-E68Overweight, obesity and other hyperalimentation (E65-E68)
E66Overweight and obesity
E66.8Other obesity
E66.81Obesity classNot billable
E66.811Obesity, class 1Billable
E66.812Obesity, class 2Billable
E66.813Obesity, class 3Billable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to E66.81:

categoryE66
Overweight and obesity
View context instructions
chapterCH4
Endocrine, nutritional and metabolic diseases (E00-E89)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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