E65 Localized adiposity

The ICD-10-CM code for Localized adiposity is E65 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Chapter

4: Endocrine, nutritional and metabolic diseases (E00-E89)

Section

E65-E68: Overweight, obesity and other hyperalimentation (E65-E68)

Category E65

1 code (1 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to E65:

• Panniculus adiposus (abdominal)
• Pannus (allergic) (cornea) (degenerativus) (keratic) › abdominal (symptomatic)
• Hypertrophy, hypertrophic › fat pad
• Adiposity › localized
• Fat › localized (pad)
• Fat › pad
• Redundant, redundancy › panniculus (abdominal)
• Fatty › apron

Inclusion Terms

• Fat pad

U.S. Hospital Utilization

• An estimated 4,205 U.S. inpatient stays in 2023 included E65 among the documented diagnoses.
• 610 stays listed it as the principal diagnosis.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

Official Coding Guidelines

Diabetes mellitus (TOC entry)

a. Diabetes mellitus ................................................................................................................... 39

Obesity (TOC entry)

b. Obesity .................................................................................................................................. 42

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool
• AHRQ — HCUP National Inpatient Sample, Frequencies by Diagnosis Code (2016–2023)