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ICD-10 Guide
ICD-10 CodesE74.81

E74.81

Billable

Disorders of glucose transport, not elsewhere classified

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/05/2025

Code Description

ICD-10 E74.81 is a billable code used to indicate a diagnosis of disorders of glucose transport, not elsewhere classified.

Key Diagnostic Point:

Disorders of glucose transport encompass a range of metabolic conditions characterized by impaired glucose uptake and utilization by cells. These disorders can arise from various underlying mechanisms, including genetic mutations affecting glucose transport proteins, enzyme deficiencies, or other metabolic dysfunctions. Patients may present with symptoms such as hypoglycemia, hyperglycemia, or metabolic acidosis, depending on the specific disorder and its severity. The clinical manifestations can vary widely, from mild symptoms to severe metabolic crises. Diagnosis typically involves biochemical testing, genetic screening, and sometimes muscle or skin biopsy to assess glucose transport activity. Management strategies may include dietary modifications, enzyme replacement therapy, or pharmacological interventions aimed at improving glucose metabolism. Given the complexity of these disorders, a multidisciplinary approach involving endocrinologists, geneticists, and dietitians is often necessary for optimal patient care.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of underlying genetic mutations
  • Overlap with other metabolic disorders
  • Need for comprehensive documentation of symptoms
  • Potential for multiple co-existing conditions

Audit Risk Factors

  • Inadequate documentation of genetic testing results
  • Failure to specify the type of glucose transport disorder
  • Misclassification with other metabolic disorders
  • Lack of clarity in clinical notes regarding symptoms

Specialty Focus

Medical Specialties

Endocrinology

Documentation Requirements

Detailed clinical history, laboratory results, and treatment plans must be documented.

Common Clinical Scenarios

Patients presenting with unexplained hypoglycemia or hyperglycemia.

Billing Considerations

Endocrinologists should ensure that all relevant metabolic tests are documented to support the diagnosis.

Genetics

Documentation Requirements

Genetic testing results and family history must be included.

Common Clinical Scenarios

Patients with a family history of metabolic disorders or unexplained metabolic symptoms.

Billing Considerations

Geneticists should document the specific mutations identified to support the diagnosis.

Coding Guidelines

Inclusion Criteria

Use E74.81 When
  • According to ICD
  • 10 coding guidelines, E74
  • 81 should be used when a specific glucose transport disorder is not classified elsewhere
  • Coders must ensure that the diagnosis is supported by clinical documentation and laboratory findings

Exclusion Criteria

Do NOT use E74.81 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

82947CPT Code

Glucose; quantitative

Clinical Scenario

Used to confirm glucose levels in patients suspected of having glucose transport disorders.

Documentation Requirements

Document the reason for testing and any relevant clinical history.

Specialty Considerations

Endocrinologists should ensure that glucose testing is linked to the diagnosis.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of metabolic disorders, including glucose transport disorders, which enhances the ability to track and manage these conditions effectively.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of metabolic disorders, including glucose transport disorders, which enhances the ability to track and manage these conditions effectively.

Reimbursement & Billing Impact

reimbursement.

Resources

Clinical References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Coding & Billing References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Frequently Asked Questions

What are the common symptoms of glucose transport disorders?

Common symptoms include hypoglycemia, hyperglycemia, fatigue, and metabolic acidosis, which can vary based on the specific disorder.

How are glucose transport disorders diagnosed?

Diagnosis typically involves biochemical testing, genetic screening, and sometimes muscle or skin biopsy to assess glucose transport activity.

What is the importance of accurate coding for glucose transport disorders?

Accurate coding is crucial for appropriate treatment, management, and reimbursement, as well as for tracking the prevalence of these disorders.