Localized adiposity
In Overweight, obesity and other hyperalimentation (E65-E68), chapter 4: Endocrine, Nutritional and Metabolic Diseases
- E65 is billable and valid on claims for FY 2027. If the record has more detail, check the other codes under E65-E68 below.
- As a secondary diagnosis it is not a CC or MCC, so it doesn't raise the MS-DRG payment.
- Doesn't count toward a Medicare Advantage risk score (no HCC in V28).
- AHRQ's Chronic Condition Indicator classes it as chronic: expected to last 12 months or longer and to limit daily life or need ongoing care.
Also indexed as: Adiposity, localized; Excess, fat, localized; Fat, localized; Fat, pad; Fatty, apron; Hypertrophy, fat pad; Panniculus adiposus; Pannus, abdominal; Redundant, panniculus
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Instructional notes
Includes: conditions that are coded here
- Fat pad
Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
Covers diabetes mellitus coding, including type, insulin and drug use, pump malfunction and secondary diabetes, plus obesity and obesity class codes.
- Diabetes mellitus (page 39)
- Obesity (page 42)
Other codes under E65-E68
Overweight, obesity and other hyperalimentation (E65-E68)
- E65Localized adiposity(this code)
- E66Overweight and obesity
- E67Other hyperalimentation
- E68Sequelae of hyperalimentation
E65 MS-DRGs
As the principal diagnosis, E65 groups to MS-DRG 640 or 641 (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.
Related conditions
Grouped by AHRQ's Clinical Classifications Software Refined (CCSR), which sorts every diagnosis code into clinically meaningful categories.
E65 is in Other specified and unspecified nutritional and metabolic disorders (END016, its default category), with 270 codes. Others in it:
- D81.30 Adenosine deaminase deficiency, unspecified
- D81.31 Severe combined immunodeficiency due to adenosine deaminase deficiency
- D81.32 Adenosine deaminase 2 deficiency
- D81.39 Other adenosine deaminase deficiency
- D81.5 Purine nucleoside phosphorylase [PNP] deficiency
- D81.810 Biotinidase deficiency
- D81.818 Other biotin-dependent carboxylase deficiency
- D81.819 Biotin-dependent carboxylase deficiency, unspecified
Medicare coverage articles listing E65
This Medicare billing and coding article lists E65 as a diagnosis that supports medical necessity for the services they cover. From the CMS Medicare Coverage Database; check your own contractor's article before billing.
- Cosmetic and Reconstructive Surgery (2 contractors)
Other codes that refer to E65
Notes on these codes point to E65.
- R22 Excludes1: localized adiposity (E65)
About the condition
Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.
Obesity
Obesity is a disease that means having too much body fat. It is different from being overweight, which means weighing too much. Both terms mean that your weight is greater than what's considered healthy for your height.
Read more about obesity on MedlinePlusCode history
Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.
ICD-9-CM equivalent
Legacy crosswalk from the CMS General Equivalence Mappings (last updated 2018).
- 278.1 Localized adiposity