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ICD-10 Guide
ICD-10 CodesE10.621

E10.621

Billable

Type 1 diabetes mellitus with foot ulcer

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

Code Description

ICD-10 E10.621 is a billable code used to indicate a diagnosis of type 1 diabetes mellitus with foot ulcer.

Key Diagnostic Point:

Type 1 diabetes mellitus is a chronic condition characterized by the body's inability to produce insulin due to autoimmune destruction of pancreatic beta cells. Patients with this condition often experience various complications, including neuropathy, retinopathy, nephropathy, and cardiovascular diseases. One significant complication is the development of foot ulcers, which can arise from a combination of neuropathy, poor circulation, and skin integrity issues. Foot ulcers in diabetic patients can lead to severe infections and, in some cases, amputation if not managed properly. The presence of a foot ulcer indicates a critical need for comprehensive management, including regular foot examinations, glycemic control, and patient education on foot care. The management of Type 1 diabetes involves insulin therapy, with the goal of maintaining HbA1c levels below 7% to reduce the risk of complications. However, achieving optimal glycemic control can be challenging, especially in patients with existing complications such as foot ulcers.

Code Complexity Analysis

Complexity Rating: High

High Complexity

Complexity Factors

  • Need for precise documentation of diabetes type and complications
  • Variability in ulcer severity and associated treatment plans
  • Potential for multiple co-existing conditions
  • Requirement for ongoing monitoring and management strategies

Audit Risk Factors

  • Inadequate documentation of ulcer characteristics
  • Failure to document HbA1c levels
  • Lack of evidence for ongoing management plans
  • Misclassification of ulcer type or severity

Specialty Focus

Medical Specialties

Endocrinology

Documentation Requirements

Detailed records of diabetes management, including insulin regimens and HbA1c levels.

Common Clinical Scenarios

Patients presenting with uncontrolled diabetes and complications such as foot ulcers.

Billing Considerations

Endocrinologists must ensure comprehensive documentation of diabetes management and complications to support coding.

Podiatry

Documentation Requirements

Thorough documentation of foot examinations, ulcer characteristics, and treatment plans.

Common Clinical Scenarios

Patients with diabetic foot ulcers requiring surgical intervention or wound care.

Billing Considerations

Podiatrists should document the relationship between diabetes management and foot health to support coding.

Coding Guidelines

Inclusion Criteria

Use E10.621 When
  • According to ICD
  • 10 guidelines, E10
  • 621 should be used when a patient with Type 1 diabetes has a documented foot ulcer
  • Coders must ensure that the documentation supports the diagnosis and that the ulcer is directly related to the diabetes

Exclusion Criteria

Do NOT use E10.621 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

11042CPT Code

Debridement, skin, and subcutaneous tissue

Clinical Scenario

Used when a diabetic foot ulcer requires debridement.

Documentation Requirements

Document the extent of debridement and the condition of the ulcer.

Specialty Considerations

Podiatrists should ensure that the procedure is linked to the diagnosis of diabetes.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of diabetes-related complications, improving the accuracy of data collection and reimbursement processes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of diabetes-related complications, improving the accuracy of data collection and reimbursement processes.

Reimbursement & Billing Impact

reimbursement processes.

Resources

Clinical References

  • •
    American Diabetes Association

Coding & Billing References

  • •
    American Diabetes Association

Frequently Asked Questions

What is the significance of coding E10.621?

Coding E10.621 accurately reflects the patient's condition and the complexity of managing Type 1 diabetes with complications, ensuring appropriate treatment and reimbursement.