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Home/Diagnosis/ICD-10 Coding for Type 2 Diabetes Mellitus

ICD-10 Coding for Type 2 Diabetes Mellitus

E11.9
E11.65

Complete ICD-10-CM coding and documentation guide for icd-10 coding for type 2 diabetes mellitus includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
T2DM
Adult-onset diabetes
Non-insulin-dependent diabetes
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Key Information: ICD-10 Coding for Type 2 Diabetes Mellitus

Essential facts and insights about ICD-10 Coding for Type 2 Diabetes Mellitus

Use ICD-10 code E11.9 for type 2 diabetes mellitus without complications, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Type 2 diabetes mellitus without complications

Billable Code
E11.9
Billable

Diagnostic Criteria

  • • Diagnosis of diabetes with no specified complications
  • • HbA1c ≥6.5% or fasting glucose ≥126 mg/dL

Applicable To

  • • Type 2 diabetes mellitus NOS

Important Notes

  • • Ensure no complications are documented before using E11.9.

Type 2 diabetes mellitus with hyperglycemia

Billable Code
E11.65
Billable

Diagnostic Criteria

  • • Fasting glucose ≥126 mg/dL or random glucose ≥200 mg/dL
  • • Documented hyperglycemia

Applicable To

  • • Type 2 diabetes mellitus with hyperglycemia

Important Notes

  • • Document hyperglycemia clearly to justify this code.
Ancillary Codes

Additional codes that may be used with this diagnosis

Z79.4

Long-term (current) use of insulin

Use when the patient is on long-term insulin therapy.

Frequently Asked Questions

What is the ICD-10 code for type 2 diabetes?

The ICD-10 code for type 2 diabetes without complications is E11.9. For type 2 diabetes with hyperglycemia, use E11.65.

How do you code type 2 diabetes with insulin use?

For type 2 diabetes with long-term insulin use, code E11.9 with Z79.4 to indicate insulin therapy.

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