E66.0

Obesity due to excess calories

Non-billable header

E66.0 is a non-billable header code. Use one of the more specific codes below.

Inclusion terms

Includes (from E66)

  • Note: All neoplasms, whether functionally active or not, are classified in Chapter 2. Appropriate codes in this chapter (i.e. E05.8, E07.0, E16-E31, E34.-) may be used as additional codes to indicate either functional activity by neoplasms and ectopic endocrine tissue or hyperfunction and hypofunction of endocrine glands associated with neoplasms and other conditions classified elsewhere.

Excludes1

Not coded here — never report together with this code.

  • transitory endocrine and metabolic disorders specific to newborn (P70-P74) (from E66)

Excludes2

Not included here — may be reported together when both conditions exist.

  • adiposogenital dystrophy (E23.6) (from E66)
  • lipomatosis dolorosa [Dercum] (E88.2) (from E66)
  • lipomatosis NOS (E88.2) (from E66)
  • Prader-Willi syndrome (Q87.11) (from E66)

Code first

Sequence the underlying condition first.

  • obesity complicating pregnancy, childbirth and the puerperium, if applicable (O99.21-) (from E66)

Use additional code

Add a code to identify the following, if applicable.

  • code to identify body mass index (BMI), if known, for adults (Z68.1-Z68.45) or pediatrics (Z68.5-) (from E66)

Parent code

  • E66Overweight and obesityHeader

More specific codes E66.0

  • E66.01Morbid (severe) obesity due to excess caloriesBillable
  • E66.09Other obesity due to excess caloriesBillable

Related codes

  • E66.1Drug-induced obesityBillable
  • E66.2Morbid (severe) obesity with alveolar hypoventilationBillable
  • E66.3OverweightBillable
  • E66.8Other obesityHeader
  • E66.9Obesity, unspecifiedBillable

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