R73.02
Billable

Impaired glucose tolerance (oral)

Billable / Specific Code

What is Impaired glucose tolerance (oral)?

ICD-10-CM R73.02 is the diagnosis code for Impaired glucose tolerance (oral). This code falls under the section "Abnormal findings on examination of blood, without diagnosis" within Chapter 18 — Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

💡 Inclusions

Coding Guidelines for R73.02

✅ This Code Includes

  • Elevated glucose tolerance

ICD-10-CM Code Hierarchy

Understanding where R73.02 sits in the ICD-10-CM classification helps ensure proper coding:

Related Codes

Frequently Asked Questions

Is R73.02 a billable ICD-10-CM code?

Yes, R73.02 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does R73.02 mean?

R73.02 is the ICD-10-CM diagnosis code for "Impaired glucose tolerance (oral)". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of R73.02?

The parent code of R73.02 is R73.0 ("Abnormal glucose"). R73.02 provides a more specific classification within this category.

What section is R73.02 in?

R73.02 is located in Section R70-R79 — "Abnormal findings on examination of blood, without diagnosis" within Chapter 18 of the ICD-10-CM Tabular List.

When should I use R73.02?

Use R73.02 when the patients documented diagnosis matches "Impaired glucose tolerance (oral)" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Impaired glucose tolerance (oral)?

The ICD-10-CM code for Impaired glucose tolerance (oral) is R73.02.

Can R73.02 be used for primary diagnosis?

Yes, R73.02 can be used as a primary diagnosis code since it is billable and specific.

What chapter is R73.02 in?

R73.02 is in Chapter 18 of the ICD-10-CM Tabular List.

Is R73.02 valid for 2026?

Yes, R73.02 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousR73.01Impaired fasting glucoseNext →R73.03Prediabetes
Code Details
R73.02
Impaired glucose tolerance (oral)
Billable / Specific Code
18 — Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
R70-R79 — Abnormal findings on examination of blood, without diagnosis
2026 ICD-10-CM