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ICD-10 Guide
ICD-10 CodesE10.3493

E10.3493

Billable

Type 1 diabetes mellitus with severe nonproliferative diabetic retinopathy without macular edema (bilateral)

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

Code Description

ICD-10 E10.3493 is a billable code used to indicate a diagnosis of type 1 diabetes mellitus with severe nonproliferative diabetic retinopathy without macular edema (bilateral).

Key Diagnostic Point:

E10.3493 refers to a specific condition in which a patient has Type 1 diabetes mellitus accompanied by severe nonproliferative diabetic retinopathy affecting both eyes, but without the presence of macular edema. Diabetic retinopathy is a common complication of diabetes, resulting from damage to the blood vessels in the retina due to prolonged high blood glucose levels. In severe nonproliferative diabetic retinopathy, patients may experience significant retinal changes, including microaneurysms, retinal hemorrhages, and exudates, but do not exhibit the more advanced proliferative changes or macular edema that can lead to vision loss. Management of this condition typically involves strict glycemic control, regular ophthalmologic evaluations, and potential interventions to prevent progression. The absence of macular edema is a critical distinction, as it indicates a lower risk of immediate vision impairment compared to cases with macular edema. Regular monitoring of HbA1c levels is essential to assess long-term glucose control, with targets generally set below 7% for most adults to minimize complications.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Specificity of the retinopathy type and severity
  • Differentiation between nonproliferative and proliferative stages
  • Need for precise documentation of absence of macular edema
  • Potential for overlapping codes in diabetic complications

Audit Risk Factors

  • Inadequate documentation of retinopathy severity
  • Failure to specify bilateral involvement
  • Misclassification of diabetic retinopathy type
  • Lack of HbA1c documentation

Specialty Focus

Medical Specialties

Endocrinology

Documentation Requirements

Comprehensive diabetes management records, including HbA1c levels and treatment plans.

Common Clinical Scenarios

Patients with poorly controlled diabetes presenting with complications.

Billing Considerations

Ensure documentation reflects the relationship between diabetes control and retinopathy severity.

Ophthalmology

Documentation Requirements

Detailed eye examination reports, including findings related to retinopathy.

Common Clinical Scenarios

Routine diabetic eye exams showing progression of retinopathy.

Billing Considerations

Document the absence of macular edema clearly to support coding.

Coding Guidelines

Inclusion Criteria

Use E10.3493 When
  • According to ICD
  • 10 coding guidelines, E10
  • 3493 should be used when the patient has Type 1 diabetes with severe nonproliferative diabetic retinopathy without macular edema
  • Documentation must clearly indicate the type and severity of retinopathy, and the absence of macular edema must be explicitly stated
  • This code is part of the broader classification of diabetes mellitus and its complications

Exclusion Criteria

Do NOT use E10.3493 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

92014CPT Code

Ophthalmological examination, comprehensive, established patient

Clinical Scenario

Used during routine eye exams for diabetic patients.

Documentation Requirements

Document findings of retinopathy and any interventions.

Specialty Considerations

Ophthalmologists should ensure detailed notes on retinopathy severity.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of diabetic complications, improving the accuracy of patient records and reimbursement processes. E10.3493 provides a clear distinction between types of diabetic retinopathy, which is crucial for effective management and treatment planning.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of diabetic complications, improving the accuracy of patient records and reimbursement processes. E10.3493 provides a clear distinction between types of diabetic retinopathy, which is crucial for effective management and treatment planning.

Reimbursement & Billing Impact

reimbursement processes. E10.3493 provides a clear distinction between types of diabetic retinopathy, which is crucial for effective management and treatment planning.

Resources

Clinical References

  • •
    American Diabetes Association
  • •
    American Academy of Ophthalmology

Coding & Billing References

  • •
    American Diabetes Association
  • •
    American Academy of Ophthalmology

Frequently Asked Questions

What is the significance of specifying 'without macular edema'?

Specifying 'without macular edema' is crucial as it indicates a lower risk of vision loss compared to cases with macular edema. This distinction affects treatment decisions and coding accuracy.

How often should patients with this diagnosis be monitored?

Patients with severe nonproliferative diabetic retinopathy should be monitored at least annually, or more frequently if their diabetes is poorly controlled or if there are changes in their vision.