ICD-10-CM Code E66: Overweight and obesity and Related Diagnosis Codes.


The ICD-10-CM (the International Classification of Diseases, Tenth Revision, Clinical Modification) is a standardized coding system used when classifying diseases and medical conditions. Healthcare providers report these codes on Medical claims when diagnosing patient care.

Explore ICD-10-CM codes, organized by chapters based on body systems and medical conditions, as outlined in the International Classification of Diseases, Tenth Revision, Clinical Modification.

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Eclaims - ICD-10-CM Tabular Code List v1.0.0

A categorized list of ICD-10-CM codes organized by chapters based on body systems or medical conditions, according to the International Classification of Diseases, Tenth Revision, Clinical Modification.

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  • E66 - Overweight and obesity
    • E66.0 - Obesity due to excess calories
      • E66.01 - Morbid (severe) obesity due to excess calories
      • E66.09 - Other obesity due to excess calories
    • E66.1 - Drug-induced obesity
    • E66.2 - Morbid (severe) obesity with alveolar hypoventilation
    • E66.3 - Overweight
    • E66.8 - Other obesity
      • E66.81 - Obesity class
        • E66.811 - Obesity, class 1
        • E66.812 - Obesity, class 2
        • E66.813 - Obesity, class 3
      • E66.89 - Other obesity not elsewhere classified
    • E66.9 - Obesity, unspecified

Note: The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) codes are developed and maintained by the Centers for Disease Control and Prevention (CDC). CDC's National Center for Health Statistics (NCHS) is responsible for the clinical modification of ICD-10 for use in the United States. The World Health Organization (WHO), which owns and publishes ICD-10, authorized NCHS to develop ICD-10-CM. All modifications to ICD-10 must conform to WHO's established ICD structure and conventions. All rights are reserved by the respective entities.