ICD-10 Coding for Class 2 Obesity(E66.812, E66.01)
Complete ICD-10-CM coding and documentation guide for Class 2 Obesity. Includes clinical validation requirements, documentation requirements, and coding pitfalls.
Also known as:
Related ICD-10 Code Ranges
Complete code families applicable to Class 2 Obesity
E66.8Primary Range
Other obesity
Includes specific codes for different classes of obesity, including Class 2.
Body mass index (BMI) 35.0-39.9, adult
Used as a secondary code to specify the BMI range associated with Class 2 Obesity.
Code Comparison: When to Use Each Code
Compare key differences between these codes to ensure accurate selection
| Code | Description | When to Use | Key Documentation |
|---|---|---|---|
| E66.812 | Other obesity, class 2 | Use when the provider explicitly documents 'Class 2 Obesity' or 'Severe obesity' with a BMI of 35.0-39.9. |
|
| E66.01 | Morbid obesity due to excess calories | Use if 'morbid obesity' is documented without class specification. |
|
Clinical Decision Support
Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.
Key Information: ICD-10 code for Class 2 Obesity
Essential facts and insights about Class 2 Obesity
Primary ICD-10-CM Codes for class 2 obesity
Decision Criteria
documentation Criteria
- Provider must document 'Class 2 Obesity' or 'Severe obesity' with BMI 35.0-39.9.
Applicable To
- Class 2 obesity
- Severe obesity with BMI 35.0-39.9
Excludes
- Morbid obesity with alveolar hypoventilation (E66.2)
Clinical Validation Requirements
- Provider documentation of 'Class 2 Obesity'
- BMI between 35.0 and 39.9
Code-Specific Risks
- Incorrect use if class is not documented by provider.
Coding Notes
- Ensure provider documents the obesity class explicitly; BMI alone is insufficient for coding class.
E66.01 - Morbid obesity due to excess calories
Use if 'morbid obesity' is documented without class specification.
Applicable To
- Morbid obesity
Excludes
- Obesity with alveolar hypoventilation (E66.2)
Clinical Validation Requirements
- Provider documentation of 'morbid obesity'
- BMI ≥35.0
Coding Notes
Ensure the term 'morbid obesity' is used by the provider if coding E66.01.
Ancillary Codes
Additional codes that should be used in conjunction with the main diagnosis codes when applicable.
BMI 35.0-39.9
Z68.35-Z68.39Differential Codes
Alternative codes to consider when ruling out similar conditions to the primary diagnosis.
Documentation & Coding Risks
Avoid these common documentation and coding issues when documenting Class 2 Obesity to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code E66.812.
Impact
Clinical: May lead to under-treatment or mismanagement., Regulatory: Non-compliance with coding standards., Financial: Potential loss of reimbursement.
Mitigation Strategy
Educate providers on the importance of class documentation., Implement EHR prompts for obesity class.
Impact
Reimbursement: Incorrect coding can lead to improper reimbursement., Compliance: Non-compliance with ICD-10 guidelines., Data Quality: Inaccurate health records and data reporting.
Mitigation Strategy
Ensure provider documents the specific obesity class.
Impact
Failure to document obesity class can lead to audit findings.
Mitigation Strategy
Ensure provider education and EHR prompts for class documentation.
Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.
Frequently Asked Questions
Common questions about ICD-10 coding for Class 2 Obesity, with expert answers to help guide accurate code selection and documentation.
Documentation Templates for Class 2 Obesity
Use these documentation templates to ensure complete and accurate documentation for Class 2 Obesity. These templates include all required elements for proper coding and billing.
Primary Care Visit
Specialty: Primary CareRequired Elements
- Diagnostic statement
- BMI documentation
- Obesity class specification
Examples: Poor vs. Good Documentation
Poor Documentation Example
Good Documentation Example
Explanation
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