ICD-10-CM · Chapter 18 · R00-R99
R73 Elevated blood glucose level
Excludes 1 (cannot be coded together)
- diabetes mellitus (E08-E13)
- diabetes mellitus in pregnancy, childbirth and the puerperium (O24.-)
- neonatal disorders (P70.0-P70.2)
- postsurgical hypoinsulinemia (E89.1)
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| R73..0 | Abnormal glucose | No |
| R73..01 | Impaired fasting glucose | Yes |
| R73..02 | Impaired glucose tolerance (oral) | Yes |
| R73..03 | Prediabetes | Yes |
| R73..09 | Other abnormal glucose | Yes |
| R73..9 | Hyperglycemia, unspecified | Yes |
Plain-language term for this code
The following entry in the US Medical Glossary corresponds to ICD-10-CM category R73:
- Prediabetes — Prediabetes
Last reviewed: September 2026