R73.02
Billable codeImpaired glucose tolerance (oral)
The ICD-10 code for impaired glucose tolerance (oral) is R73.02.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Elevated glucose tolerance
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- R73.01Impaired fasting glucose
- R73.03Prediabetes
- R73.09Other abnormal glucose
- R73.02Impaired glucose tolerance (oral)
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 79022
Associated MS-DRGs
R73.02 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.