E88

Non-billable

Other and unspecified metabolic disorders

E88 is the ICD-10-CM code for Other and unspecified metabolic disorders. It is a non-billable category code — use a more specific child code such as E88.0 for billing.

Status
Header (non-billable)
Chapter
E00-E89
Subcodes
8
Edition
FY2026

E00-E89 Endocrine, nutritional and metabolic diseases

What this means — in plain language

MedlinePlus · NIH

Metabolism is the process your body uses to get or make energy from the food you eat. Food is made up of proteins, carbohydrates, and fats. Chemicals in your digestive system break the food parts down into sugars and acids, your body's fuel. Your body can use this fuel right away, or it can store the energy in your body tissues, such as your liver, muscles, and body fat. A metabolic disorder occurs when abnormal…

Read more about Metabolic Disorders at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Excludes1 — not coded here

  • histiocytosis X (chronic) (C96.6)

Use additional code

  • codes for associated conditions

Medications indicated for this condition

FDA labeling

Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.

Conditions mapped to this code

MedlinePlus · NIH

Plain-language health-topic references grounded in MedlinePlus (NIH/NLM).

Frequently asked questions

What is ICD-10 code E88?
E88 is the ICD-10-CM code for "Other and unspecified metabolic disorders". It falls under E00-E89 Endocrine, nutritional and metabolic diseases.
Is E88 a billable code?
No — E88 is a non-billable header code. Use a more specific child code (such as E88.0) for billing.
What are the subcodes of E88?
E88 has 8 more specific child codes, including E88.0, E88.1, E88.2.
What is excluded from E88?
Excludes1 (not coded here): histiocytosis X (chronic) (C96.6).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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