What is the ICD-10 (International Classification of Diseases, 10th Revision) code for steroid-induced hyperglycemia?

Medical Advisory BoardAll articles are reviewed for accuracy by our Medical Advisory Board
Educational purpose only • Exercise caution as content is pending human review
Article Review Status
Submitted
Under Review
Approved

Last updated: January 16, 2026View editorial policy

Personalize

Help us tailor your experience

Which best describes you? Your choice helps us use language that's most understandable for you.

ICD-10 Code for Steroid-Induced Hyperglycemia

The ICD-10 code for steroid-induced hyperglycemia is E09.65 (Drug or chemical induced diabetes mellitus with hyperglycemia), or if the patient does not meet criteria for diabetes, use R73.9 (Hyperglycemia, unspecified).

Coding Framework

The appropriate ICD-10 code depends on whether the patient meets diagnostic criteria for steroid-induced diabetes versus transient hyperglycemia:

E09.65 - Drug or Chemical Induced Diabetes Mellitus with Hyperglycemia

  • Use this code when the patient has repeated glucose measurements ≥11.1 mmol/L (200 mg/dL) in the setting of steroid use AND an HbA1c ≥6.5%, which constitutes steroid-induced diabetes 1
  • This applies to patients without previous history of diabetes who develop persistent hyperglycemia on steroids 1

R73.9 - Hyperglycemia, Unspecified

  • Use this code for steroid-induced hyperglycemia that does not meet diabetes criteria (glucose ≥11.1 mmol/L but HbA1c <6.5% or transient elevations only) 1
  • This is appropriate for mild, transient hyperglycemia that resolves with steroid discontinuation

Additional Coding Considerations

  • Always add a secondary code to identify the specific steroid causing the hyperglycemia (T38.0X5A for adverse effect of glucocorticoids, initial encounter)
  • For patients with pre-existing diabetes who develop worsening hyperglycemia on steroids, use their existing diabetes code (E10.65 for Type 1, E11.65 for Type 2) rather than E09.65, as this represents exacerbation of known disease rather than drug-induced diabetes 1

Diagnostic Criteria to Guide Coding

Steroid-induced diabetes requires:

  • Repeated glucose measurements ≥11.1 mmol/L (200 mg/dL) 1
  • HbA1c ≥6.5% 1
  • No previous history of diabetes 1
  • Temporal relationship with steroid use 1

Steroid-induced hyperglycemia (without diabetes) involves:

  • Glucose elevations ≥11.1 mmol/L but HbA1c <6.5%, OR 1
  • Transient hyperglycemia that normalizes with steroid discontinuation 2

Common Coding Pitfalls to Avoid

  • Do not use E09.65 for patients with pre-existing diabetes who develop worsening hyperglycemia on steroids—this is an exacerbation of their underlying diabetes, not drug-induced diabetes 1
  • Do not rely on fasting glucose alone for diagnosis, as steroid-induced hyperglycemia peaks 6-9 hours after morning steroid administration and may normalize overnight, leading to underdiagnosis 3, 4, 2
  • Ensure HbA1c is checked before assigning E09.65, as glucose elevations alone without HbA1c ≥6.5% do not meet diabetes criteria 1
  • Document the specific steroid and dose in the medical record to support the diagnosis and coding 5

References

Guideline

Guideline Directed Topic Overview

Dr.Oracle Medical Advisory Board & Editors, 2025

Research

The high incidence of steroid-induced hyperglycaemia in hospital.

Diabetes research and clinical practice, 2013

Guideline

Management of Steroid-Induced Diabetes

Praxis Medical Insights: Practical Summaries of Clinical Guidelines, 2026

Guideline

Management of Steroid-Induced Hyperglycemia

Praxis Medical Insights: Practical Summaries of Clinical Guidelines, 2025

Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.

Have a follow-up question?

Our Medical A.I. is used by practicing medical doctors at top research institutions around the world. Ask any follow up question and get world-class guideline-backed answers instantly.