ICD-10 Coding for Body Mass Index 30-39.9(E66.01, E66.01B, E66.01M)

Explore ICD-10 coding for BMI 30-39.9, including documentation requirements and coding pitfalls. Learn how to accurately code obesity with BMI 30-39.9.

Also known as:
Obesity Class IObesity Class II
Related ICD-10 Code Ranges

Complete code families applicable to Body Mass Index 30-39.9

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescription
E66.01Morbid (severe) obesity due to excess calories
E66.9Obesity, unspecified

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

Essential facts and insights aboutBody Mass Index 30-39.9

Differential Codes

Alternative codes to consider when ruling out similar conditions

Obesity, unspecifiedE66.9

Use when obesity is documented without specification of morbid obesity or comorbidities.

Morbid (severe) obesity due to excess caloriesE66.01

Use when BMI is ≥35 with comorbidities.

Documentation & Coding Risks

Avoid these common issues when documenting Body Mass Index 30-39.9.

Documenting BMI without linking to a diagnosis.

Impact

Clinical: Leads to incomplete clinical records., Regulatory: Non-compliance with coding standards., Financial: Potential for denied claims.

Mitigation

Ensure BMI is linked to a diagnosis of obesity., Educate providers on documentation standards.

Coding E66.01 based solely on BMI ≥35 without provider's statement of morbid obesity.

Impact

Reimbursement: Incorrect coding may lead to denied claims or incorrect reimbursement., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate clinical data representation.

Mitigation

Ensure provider explicitly documents 'morbid obesity' and lists comorbidities.

BMI Documentation

Impact

Audits may focus on whether BMI is properly documented and linked to a diagnosis.

Mitigation

Ensure all BMI entries are accompanied by a relevant diagnosis.

Frequently Asked Questions