ICD10BillableValid for clinical use

ICD-10 Code E74.03: Cori disease

E74.03 is a billable ICD-10 diagnosis code used to classify Cori disease in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Endocrine, nutritional and metabolic diseases (E00-E89).

Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Endocrine, nutritional and metabolic diseases (E00-E89).

When is it used?

  • May be used when a clinician documents cori disease in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
4Endocrine, nutritional and metabolic diseases (E00-E89)
block
E70-E88Metabolic disorders
category
E74Other disorders of carbohydrate metabolism
category
E74.0Glycogen storage disease
currentE74.0

Official coding notes

Inclusion terms
  • Forbes disease
  • Type III glycogen storage disease

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

EndocrinologistGeneral Physician

Coding guidelines

Common synonyms

Cori disease

Frequently asked questions

Code details

CodeE74.03
SystemICD10
Display nameCori disease
ChapterEndocrine, nutritional and metabolic diseases (E00-E89)
BlockMetabolic disorders

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Amylopectinosis(brancher enzyme deficiency)Cori's disease(glycogen storage)Deficiency, deficientDeficiency, deficientDextrinosis, limit(debrancher enzyme deficiency)Disease, diseasedDisease, diseasedDisease, diseasedDisease, diseasedDisease, diseasedForbes' glycogen storage diseaseInfiltrate, infiltration
See also
Disease, glycogen storage

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

ICD-10 Code E74.03 for Cori disease | HealthAssure