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ICD-10 Guide
ICD-10 CodesE09.40

E09.40

Billable

Drug or chemical induced diabetes mellitus with neurological complications with diabetic neuropathy, unspecified

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

Code Description

ICD-10 E09.40 is a billable code used to indicate a diagnosis of drug or chemical induced diabetes mellitus with neurological complications with diabetic neuropathy, unspecified.

Key Diagnostic Point:

E09.40 refers to diabetes mellitus that is induced by drugs or chemicals, leading to neurological complications, specifically diabetic neuropathy that is unspecified. This condition arises when certain medications or toxic substances disrupt normal glucose metabolism, resulting in elevated blood glucose levels. The neurological complications associated with this form of diabetes can manifest as peripheral neuropathy, characterized by symptoms such as numbness, tingling, and pain in the extremities. The management of drug-induced diabetes often requires careful monitoring of blood glucose levels, with an emphasis on maintaining HbA1c levels within target ranges to prevent further complications. Treatment may involve insulin therapy or other antidiabetic medications, depending on the severity of the condition and the patient's overall health status. It is crucial for healthcare providers to identify the offending agent and consider alternative therapies to mitigate the risk of further complications.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Identification of the specific drug or chemical causing diabetes
  • Differentiation from other types of diabetes mellitus
  • Documentation of neurological complications
  • Management of HbA1c levels and treatment adjustments

Audit Risk Factors

  • Inadequate documentation of drug exposure
  • Failure to document neurological symptoms
  • Incorrect linkage of diabetes to the drug or chemical
  • Lack of follow-up on HbA1c levels

Specialty Focus

Medical Specialties

Endocrinology

Documentation Requirements

Detailed medication history, HbA1c levels, and neurological assessments.

Common Clinical Scenarios

Patients presenting with new-onset diabetes after starting a new medication.

Billing Considerations

Endocrinologists must ensure that the cause of diabetes is clearly documented to support the use of E09.40.

Neurology

Documentation Requirements

Neurological examination findings, patient history regarding diabetes management.

Common Clinical Scenarios

Patients with diabetic neuropathy symptoms who have a history of drug-induced diabetes.

Billing Considerations

Neurologists should document the relationship between diabetes and neurological symptoms to justify the coding.

Coding Guidelines

Inclusion Criteria

Use E09.40 When
  • According to ICD
  • 10 coding guidelines, E09
  • 40 should be used when diabetes is specifically induced by drugs or chemicals, and when there are neurological complications
  • Coders must ensure that the documentation supports the diagnosis and that the complications are clearly outlined

Exclusion Criteria

Do NOT use E09.40 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

99213CPT Code

Established patient office visit, Level 3

Clinical Scenario

Used for follow-up visits to manage diabetes and assess complications.

Documentation Requirements

Document the patient's diabetes management plan and any changes in medication.

Specialty Considerations

Endocrinologists should ensure comprehensive documentation of diabetes control and complications.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of drug-induced diabetes, improving the accuracy of data collection and reimbursement processes. E09.40 provides a clear framework for identifying and managing this complex condition.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of drug-induced diabetes, improving the accuracy of data collection and reimbursement processes. E09.40 provides a clear framework for identifying and managing this complex condition.

Reimbursement & Billing Impact

reimbursement processes. E09.40 provides a clear framework for identifying and managing this complex condition.

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 types of drugs can induce diabetes mellitus?

Several classes of medications can induce diabetes, including corticosteroids, antipsychotics, and certain antihypertensives. It is essential to review the patient's medication history to identify potential causes.