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ICD-10 Coding for Impaired Glucose Tolerance(R73.03, O99.81, R73.0)

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Learn about ICD-10 coding for impaired glucose tolerance (IGT), including diagnostic criteria, documentation requirements, and common coding pitfalls.

Also known as:
PrediabetesIGT
Related ICD-10 Code Ranges

Complete code families applicable to Impaired Glucose Tolerance

R00-R99Primary Range

Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified

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Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescription
R73.03Prediabetes
R73.09Other abnormal glucose
Primary ICD-10-CM Codes
Prediabetes
R73.03Billable
Differential Codes

Alternative codes to consider when ruling out similar conditions

Other abnormal glucoseR73.09

Use when glucose levels are abnormal but do not meet criteria for prediabetes.

PrediabetesR73.03

Use when prediabetes criteria are met.

Documentation & Coding Risks

Avoid these common issues when documenting Impaired Glucose Tolerance.

Using R73.03 for non-prediabetes cases

Impact

Clinical: Misdiagnosis of patient condition., Regulatory: Non-compliance with ICD-10 guidelines., Financial: Potential claim denials.

Mitigation

Verify lab results meet prediabetes criteria.

Coding R73.03 without meeting diagnostic criteria

Impact

Reimbursement: Incorrect coding may lead to denied claims., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate patient records and risk adjustment scores.

Mitigation

Ensure lab results meet prediabetes thresholds before coding.

Incorrect coding of prediabetes

Impact

Coding R73.03 without meeting criteria.

Mitigation

Implement checks for lab result documentation.

Frequently Asked Questions

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with R73.03.