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ICD-10-CM 2027

ICD-10 code for fat

Choose a code from the options below based on the documentation.

From the official ICD-10-CM alphabetic index entry “Fat”. Page updated September 29, 2026.

About coding fat

The official ICD-10-CM index doesn't give a single default code for fat; the code depends on the details below.

More specific fat codes (official index)

  • embolism
  • excessive
  • in heart
  • in stool R19.5 — Other fecal abnormalities
  • localized (pad) E65 — Localized adiposity
  • heart
  • knee M79.4 — Hypertrophy of (infrapatellar) fat pad
  • retropatellar M79.4 — Hypertrophy of (infrapatellar) fat pad
  • necrosis
  • breast N64.1 — Fat necrosis of breast
  • mesentery K65.4 — Sclerosing mesenteritis
  • omentum K65.4 — Sclerosing mesenteritis
  • pad E65 — Localized adiposity
  • knee M79.4 — Hypertrophy of (infrapatellar) fat pad

Common questions about fat ICD-10 codes

What is the ICD-10 code for localized fat?

E65 — Localized adiposity.

What is the ICD-10 code for pad fat?

E65 — Localized adiposity.