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ICD-10 Guide
ICD-10 CodesE09.1

E09.1

Billable

Drug or chemical induced diabetes mellitus with ketoacidosis

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

Code Description

ICD-10 E09.1 is a billable code used to indicate a diagnosis of drug or chemical induced diabetes mellitus with ketoacidosis.

Key Diagnostic Point:

Drug or chemical induced diabetes mellitus with ketoacidosis refers to a form of diabetes that arises as a direct consequence of the administration of certain medications or exposure to specific chemicals. This condition is characterized by hyperglycemia, insulin resistance, and the presence of ketoacidosis, which is a serious complication marked by the accumulation of ketones in the blood due to insufficient insulin. Common drugs that can induce this condition include glucocorticoids, antipsychotics, and certain chemotherapy agents. Patients may present with symptoms such as excessive thirst, frequent urination, nausea, abdominal pain, and altered mental status. Management typically involves the cessation of the offending agent, insulin therapy to control blood glucose levels, and monitoring for potential complications such as dehydration and electrolyte imbalances. The condition requires careful monitoring of HbA1c levels to assess long-term glucose control and prevent further complications associated with diabetes mellitus.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Identification of the specific drug or chemical causing the diabetes
  • Differentiation from other types of diabetes mellitus
  • Documentation of ketoacidosis and its severity
  • Management of concurrent conditions and complications

Audit Risk Factors

  • Inadequate documentation of the drug or chemical involved
  • Failure to document the presence and severity of ketoacidosis
  • Misclassification of diabetes type
  • Lack of follow-up documentation on management and outcomes

Specialty Focus

Medical Specialties

Endocrinology

Documentation Requirements

Detailed medication history, lab results, and management plans.

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 E09.1.

Emergency Medicine

Documentation Requirements

Emergency department notes must include initial assessment, treatment provided, and follow-up care.

Common Clinical Scenarios

Patients presenting with diabetic ketoacidosis due to medication-induced diabetes.

Billing Considerations

Emergency physicians should document the timeline of medication use and onset of symptoms.

Coding Guidelines

Inclusion Criteria

Use E09.1 When
  • According to ICD
  • 10 coding guidelines, E09
  • 1 should be used when diabetes mellitus is specifically induced by drugs or chemicals and is accompanied by ketoacidosis
  • It is important to document the specific drug or chemical and the clinical manifestations of ketoacidosis

Exclusion Criteria

Do NOT use E09.1 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

99214CPT Code

Established patient office visit, level 4

Clinical Scenario

Used for follow-up visits for management of drug-induced diabetes.

Documentation Requirements

Documentation must include assessment of diabetes control and medication review.

Specialty Considerations

Endocrinologists should ensure comprehensive documentation of diabetes management.

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 conditions, improving the accuracy of diabetes-related diagnoses and facilitating better patient management.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of drug-induced conditions, improving the accuracy of diabetes-related diagnoses and facilitating better patient management.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of drug-induced conditions, improving the accuracy of diabetes-related diagnoses and facilitating better patient management.

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?

Common drugs include glucocorticoids, certain antipsychotics, and some chemotherapy agents. Each can affect insulin secretion or action, leading to hyperglycemia.