ICD10BillableValid for clinical use

ICD-10 Code E74.810: Glucose transporter protein type 1 deficiency

E74.810 is a billable ICD-10 diagnosis code used to classify Glucose transporter protein type 1 deficiency 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 21 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 glucose transporter protein type 1 deficiency 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
E74.8Other specified disorders of carbohydrate metabolism
category
E74.81Disorders of glucose transport, not elsewhere classified
currentE74.81

Official coding notes

Inclusion terms
  • De Vivo syndrome
  • Glucose transport defect, blood-brain barrier
  • Glut1 deficiency
  • GLUT1 deficiency syndrome 1, infantile onset
  • GLUT1 deficiency syndrome 2, childhood onset

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

Glucose transporter protein type 1 deficiency

Frequently asked questions

Code details

CodeE74.810
SystemICD10
Display nameGlucose transporter protein type 1 deficiency
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
Defect, defectiveDeficiency, deficientDeficiency, deficientGLUT1 deficiency syndrome 1, infantile onsetGLUT1 deficiency syndrome 2, childhood onsetSyndrome

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 E74.810 for Glucose transporter protein type 1 deficiency | HealthAssure