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ICD-10 Coding for Glycated Hemoglobin(E11.9, R73.09)

Complete ICD-10-CM coding and documentation guide for Glycated Hemoglobin. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

HbA1cGlycated ProteinsHemoglobin A1c

Related ICD-10 Code Ranges

Complete code families applicable to Glycated Hemoglobin

E08-E13Primary Range

Diabetes mellitus codes with complications

These codes cover diabetes mellitus and its complications, which are directly related to glycated hemoglobin testing.

Abnormal glucose levels

These codes are used for prediabetes and other abnormal glucose findings, relevant for glycated hemoglobin testing.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
E11.9Type 2 diabetes mellitus without complicationsUse when documenting Type 2 diabetes without any specified complications.
  • HbA1c ≥6.5%
  • Symptoms of diabetes (e.g., polyuria, polydipsia)
R73.09Other abnormal glucoseUse for patients with prediabetes or other abnormal glucose findings without a confirmed diabetes diagnosis.
  • HbA1c 5.7–6.4% on two separate occasions

Clinical Decision Support

Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.

Key Information: How often should HbA1c be tested?

Essential facts and insights about Glycated Hemoglobin

HbA1c should be tested every 3 months for uncontrolled diabetes to ensure effective management.

Primary ICD-10-CM Codes for physician's initials glycated

Type 2 diabetes mellitus without complications
Billable Code

Decision Criteria

clinical Criteria

  • Patient diagnosed with Type 2 diabetes without complications.

Applicable To

  • Type 2 diabetes mellitus

Excludes

  • Type 1 diabetes mellitus (E10.-)

Clinical Validation Requirements

  • HbA1c ≥6.5%
  • Symptoms of diabetes (e.g., polyuria, polydipsia)

Code-Specific Risks

  • Risk of undercoding if complications are present but not documented.

Coding Notes

  • Ensure to document any complications separately to avoid undercoding.

Ancillary Codes

Additional codes that should be used in conjunction with the main diagnosis codes when applicable.

Long-term (current) use of insulin

Z79.84
Use when the patient with Type 2 diabetes is on long-term insulin therapy.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Type 1 diabetes mellitus without complications

E10.9
Use E10.9 for Type 1 diabetes, which is insulin-dependent, unlike Type 2.

Type 2 diabetes mellitus without complications

E11.9
Use E11.9 if diabetes is confirmed with HbA1c ≥6.5%.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Glycated Hemoglobin to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code E11.9.

Impact

Clinical: May lead to inadequate treatment planning., Regulatory: Increases risk of audit failures., Financial: Potential for claim denials.

Mitigation Strategy

Use specific ICD-10 codes for each complication., Document the relationship to diabetes clearly.

Impact

Reimbursement: May lead to reduced reimbursement due to lack of specificity., Compliance: Increases risk of audit due to vague coding., Data Quality: Impacts data accuracy for patient care and research.

Mitigation Strategy

Document and code all complications explicitly.

Impact

Failure to document and code complications accurately.

Mitigation Strategy

Implement regular training on diabetes coding updates.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for Glycated Hemoglobin, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Glycated Hemoglobin

Use these documentation templates to ensure complete and accurate documentation for Glycated Hemoglobin. These templates include all required elements for proper coding and billing.

Uncontrolled Type 2 Diabetes

Specialty: Endocrinology

Required Elements

  • HbA1c value
  • Current treatment plan
  • Complications if present

Example Documentation

Assessment: Type 2 diabetes mellitus with hyperglycemia (E11.65). HbA1c: 9.2%. Plan: Adjust insulin dosage.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Diabetes with high sugar.
Good Documentation Example
Type 2 diabetes mellitus with hyperglycemia (E11.65). HbA1c: 9.2%.
Explanation
The good example specifies the type of diabetes and includes the HbA1c value, providing clarity.

Need help with ICD-10 coding for Glycated Hemoglobin? Ask your questions below.

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