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ICD-10 Guide
ICD-10 CodesE09.42

E09.42

Billable

Drug or chemical induced diabetes mellitus with neurological complications with diabetic polyneuropathy

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

Code Description

ICD-10 E09.42 is a billable code used to indicate a diagnosis of drug or chemical induced diabetes mellitus with neurological complications with diabetic polyneuropathy.

Key Diagnostic Point:

E09.42 refers to diabetes mellitus that is induced by drugs or chemicals, specifically characterized by neurological complications such as diabetic polyneuropathy. This condition arises when certain medications or toxic substances disrupt normal glucose metabolism, leading to hyperglycemia and subsequent diabetes. Neurological complications, particularly diabetic polyneuropathy, manifest as nerve damage, often resulting in symptoms like pain, tingling, and loss of sensation in the extremities. Management of this condition requires careful monitoring of blood glucose levels, typically assessed through HbA1c testing, which reflects average blood glucose over the past two to three months. Insulin therapy may be necessary to control blood sugar levels, especially in cases where oral hypoglycemics are ineffective. The presence of diabetic polyneuropathy complicates the clinical picture, as it can lead to further complications such as foot ulcers and infections, necessitating a multidisciplinary approach to treatment and management.

Code Complexity Analysis

Complexity Rating: High

High 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 polyneuropathy symptoms

Audit Risk Factors

  • Inadequate documentation of the drug or chemical involved
  • Failure to document neurological symptoms
  • Incorrect coding of diabetes type
  • Lack of HbA1c level documentation

Specialty Focus

Medical Specialties

Endocrinology

Documentation Requirements

Detailed history of medication use, HbA1c levels, and neurological assessments.

Common Clinical Scenarios

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

Billing Considerations

Endocrinologists must ensure clear documentation of the relationship between drug exposure and diabetes onset.

Neurology

Documentation Requirements

Neurological evaluations, symptom descriptions, and treatment plans for polyneuropathy.

Common Clinical Scenarios

Patients with diabetes presenting with neuropathic pain or sensory loss.

Billing Considerations

Neurologists should document the extent of nerve damage and its impact on the patient's quality of life.

Coding Guidelines

Inclusion Criteria

Use E09.42 When
  • According to ICD
  • 10 guidelines, E09
  • 42 should be used when diabetes is specifically induced by drugs or chemicals and is accompanied by neurological complications
  • Coders must ensure that the documentation supports the diagnosis and that the drug or chemical is clearly identified

Exclusion Criteria

Do NOT use E09.42 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

83036CPT Code

Hemoglobin A1c test

Clinical Scenario

Used to monitor glycemic control in patients with drug-induced diabetes.

Documentation Requirements

Document the date of the test and the results.

Specialty Considerations

Endocrinologists should correlate HbA1c results with treatment adjustments.

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. E09.42 provides a clear framework for identifying patients with complex diabetes cases related to medication use.

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. E09.42 provides a clear framework for identifying patients with complex diabetes cases related to medication use.

Reimbursement & Billing Impact

reimbursement processes. E09.42 provides a clear framework for identifying patients with complex diabetes cases related to medication use.

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 chemotherapy agents. It is crucial to document the specific medication responsible for accurate coding.