E74.03

✓ Billable

Cori disease

Endocrine, nutritional and metabolic diseases (E00-E89)

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Also Known As

Forbes diseaseType III glycogen storage disease

❌ Excludes1

inherited

Rules inherited from parent codes in the hierarchy.

  • diabetes mellitus (E08-E13)
  • hypoglycemia NOS (E16.2)
  • increased secretion of glucagon (E16.3)
  • mucopolysaccharidosis (E76.0-E76.3)

Clinical Description

ICD-10-CM code E74.03 represents cori disease. This code falls under the Endocrine, nutritional and metabolic diseases (E00-E89) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.

This is a 6-character code at the 5th level of specificity. This is the most specific code available in this subcategory. Coders should note that E74.03 has 4 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.

Frequently Asked Questions

What is ICD-10 code E74.03?

ICD-10-CM code E74.03 is "Cori disease". It belongs to the category: Endocrine, nutritional and metabolic diseases (E00-E89).

Is E74.03 a billable ICD-10 code?

Yes, E74.03 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What codes are excluded with E74.03?

E74.03 has 4 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.

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Code Information

CodeE74.03
BillableYes
ParentE74.0
CategoryEndocrine, nutritional and metabolic diseases (E00-E89)
Excludes14 rule(s)
Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)