Is E63.0 a billable ICD-10 code?

Yes. E63.0 (Essential fatty acid [EFA] deficiency) is billable and can be used for insurance claims. Always verify payer-specific requirements.

E63.0 ✓ Billable

Essential fatty acid [EFA] deficiency

Q: What is ICD-10 code E63.0?

ICD-10-CM code E63.0 stands for "Essential fatty acid [EFA] deficiency". It is a billable code in the Endocrine, Nutritional and Metabolic Diseases chapter, effective FY2026 (Oct 1, 2025 – Sep 30, 2026).

ICD-10-CM · FY2026 · Endocrine, Nutritional and Metabolic Diseases

Code

E63.0

System

ICD-10-CM

Billable

Yes — valid for submission

Effective

FY2026

Chapter

Endocrine, Nutritional and Metabolic Diseases

Source

CMS / CDC NCHS

⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.

Frequently asked questions

What is ICD-10 code E63.0?

ICD-10-CM code E63.0 represents Essential fatty acid [EFA] deficiency. It is a billable diagnosis code in the Endocrine, Nutritional and Metabolic Diseases chapter, effective October 1, 2025 – September 30, 2026.

Is E63.0 billable?

Yes. E63.0 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.

What chapter is E63.0 in?

E63.0 belongs to the Endocrine, Nutritional and Metabolic Diseases chapter (E00–E89) of ICD-10-CM.

Related codes in the E63 category

E63 Other nutritional deficiencies Non-billable E63.1 Imbalance of constituents of food intake Billable E63.8 Other specified nutritional deficiencies Billable E63.9 Nutritional deficiency, unspecified Billable

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