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E66.3

✓ Billable

Overweight

Endocrine, nutritional and metabolic diseases (E00-E89)

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⚠️ Excludes2

inherited from E66

Rules from parent category E66: Overweight and obesity

  • • adiposogenital dystrophy (E23.6)
  • • lipomatosis dolorosa [Dercum] (E88.2)
  • • lipomatosis NOS (E88.2)
  • • Prader-Willi syndrome (Q87.11)

📋 Code Instructions

from E66
  • • code to identify body mass index (BMI), if known, for adults (Z68.1-Z68.45) or pediatrics (Z68.5-)
  • • Code first: obesity complicating pregnancy, childbirth and the puerperium, if applicable (O99.21-)

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Code Information

CodeE66.3
BillableYes
ParentE66
CategoryEndocrine, nutritional and metabolic diseases (E00-E89)
Excludes10 rule(s)
Excludes24 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)