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ICD-10 Coding for Elevated Fasting Glucose(R73.01)

Complete ICD-10-CM coding and documentation guide for Elevated Fasting Glucose. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Impaired Fasting GlucosePrediabetes

Related ICD-10 Code Ranges

Complete code families applicable to Elevated Fasting Glucose

R73.0-R73.9Primary Range

Abnormal glucose levels

This range includes codes for various types of abnormal glucose levels, including impaired fasting glucose.

Key Information: ICD-10 code for elevated fasting glucose

Essential facts and insights about Elevated Fasting Glucose

The ICD-10 code for elevated fasting glucose is R73.01, used for fasting glucose levels between 100–125 mg/dL without a diabetes diagnosis.

Primary ICD-10-CM Code for elevated fasting glucose

Impaired fasting glucose
Billable Code

Decision Criteria

clinical Criteria

  • Fasting glucose between 100–125 mg/dL

documentation Criteria

  • Exclusion of diabetes diagnosis

Applicable To

  • Fasting glucose 100–125 mg/dL

Excludes

  • Diabetes mellitus (E11.9)

Clinical Validation Requirements

  • Fasting glucose levels between 100–125 mg/dL on two separate occasions
  • Exclusion of diabetes diagnosis

Code-Specific Risks

  • Misclassification as diabetes
  • Inadequate documentation of lab values

Coding Notes

  • Ensure documentation specifies 'impaired fasting glucose' with lab results.

Ancillary Codes

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

Encounter for screening for diabetes mellitus

Z13.1
Use when screening for diabetes in asymptomatic patients.

Differential Codes

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

Type 2 diabetes mellitus without complications

E11.9
Use E11.9 if fasting glucose is ≥126 mg/dL or if diabetes is confirmed.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Elevated Fasting Glucose to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code R73.01.

Impact

Clinical: Misleading diagnosis can affect patient management., Regulatory: Non-compliance with coding guidelines., Financial: Potential for incorrect billing and reimbursement.

Mitigation Strategy

Verify lab results before coding., Consult provider for clarification if needed.

Impact

Reimbursement: Incorrect coding may lead to inappropriate reimbursement., Compliance: Misclassification can result in non-compliance with coding standards., Data Quality: Affects the accuracy of patient records and data reporting.

Mitigation Strategy

Ensure fasting glucose levels and symptoms do not meet diabetes criteria.

Impact

Using diabetes codes without confirmation can trigger audits.

Mitigation Strategy

Ensure proper documentation and lab results support the code used.

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 Elevated Fasting Glucose, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Elevated Fasting Glucose

Use these documentation templates to ensure complete and accurate documentation for Elevated Fasting Glucose. These templates include all required elements for proper coding and billing.

Primary Care Visit for Elevated Glucose

Specialty: Primary Care

Required Elements

  • Patient history
  • Fasting glucose levels
  • Assessment and plan

Example Documentation

Fasting glucose: 112 mg/dL (3/1/25), 109 mg/dL (3/8/25). A1C: 5.8%. Assessment: Impaired fasting glucose (R73.01). Plan: Lifestyle counseling.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Glucose high, follow up.
Good Documentation Example
Fasting glucose: 108 mg/dL (3/1/25) and 115 mg/dL (3/8/25). A1C: 5.9%. Assessment: Impaired fasting glucose (R73.01).
Explanation
The good example provides specific lab values and a clear assessment.

Need help with ICD-10 coding for Elevated Fasting Glucose? Ask your questions below.

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