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ICD-10 Coding for Prediabetes(R73.03, R73.09)

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

Also known as:

Impaired Glucose ToleranceImpaired Fasting GlucoseBorderline Diabetesprediabetes

Related ICD-10 Code Ranges

Complete code families applicable to Prediabetes

R73.0-R73.9Primary Range

Abnormal glucose levels

This range includes codes for various abnormal glucose levels, including prediabetes.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
R73.03PrediabetesUse when lab results confirm prediabetes criteria.
  • Fasting Plasma Glucose (FPG) 100-125 mg/dL
  • A1C 5.7-6.4%
  • Oral Glucose Tolerance Test (OGTT) 140-199 mg/dL
R73.09Other abnormal glucoseUse when glucose levels are abnormal but do not meet prediabetes criteria.
  • Lab results indicating abnormal glucose not meeting prediabetes criteria.

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: ICD-10 code for prediabetes

Essential facts and insights about Prediabetes

The ICD-10 code for prediabetes is R73.03, used when lab results confirm prediabetes criteria.

Primary ICD-10-CM Codes for prediabetes

Prediabetes
Billable Code

Decision Criteria

clinical Criteria

  • Lab results meet prediabetes thresholds.

documentation Criteria

  • Documented lab values supporting prediabetes diagnosis.

Applicable To

  • Impaired fasting glucose
  • Impaired glucose tolerance

Excludes

Clinical Validation Requirements

  • Fasting Plasma Glucose (FPG) 100-125 mg/dL
  • A1C 5.7-6.4%
  • Oral Glucose Tolerance Test (OGTT) 140-199 mg/dL

Code-Specific Risks

  • Incorrectly using R73.9 for unspecified hyperglycemia instead of R73.03.

Coding Notes

  • Ensure lab results are documented to support the use of R73.03.

Ancillary Codes

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

Body mass index (BMI) 30.0-39.9, adult

Z68.3x
Use to document obesity as a risk factor.

Encounter for screening for diabetes mellitus

Z13.1
Use for screening encounters, especially with risk factors present.

Differential Codes

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

Other abnormal glucose

R73.09
Use when lab results do not meet prediabetes criteria.

Prediabetes

R73.03
Use R73.03 when prediabetes criteria are met.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Prediabetes to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code R73.03.

Impact

Clinical: Potential misdiagnosis or inappropriate treatment., Regulatory: Non-compliance with documentation standards., Financial: Claim denials due to insufficient documentation.

Mitigation Strategy

Use standardized templates for documentation., Regular training on documentation requirements.

Impact

Reimbursement: Incorrect coding may lead to claim denials., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate patient records and data reporting.

Mitigation Strategy

Ensure lab results meet prediabetes criteria before coding R73.03.

Impact

Lack of documented lab values for prediabetes diagnosis.

Mitigation Strategy

Implement mandatory fields in EHR for lab results.

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 Prediabetes, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Prediabetes

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

Prediabetes diagnosis with obesity

Specialty: Endocrinology

Required Elements

  • Fasting Plasma Glucose (FPG) result
  • A1C result
  • Body Mass Index (BMI)
  • Plan for follow-up or intervention

Example Documentation

Assessment: Prediabetes (R73.03) confirmed by FPG 110 mg/dL. BMI: 32. Plan: Referral to lifestyle intervention program.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Patient has high glucose.
Good Documentation Example
Prediabetes confirmed by A1C 5.8%. Referred to Diabetes Prevention Program.
Explanation
The good example includes specific lab results and a clear plan.

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

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