---
title: "ICD-10-CM R73.9: Hyperglycemia, unspecified | BillingBrief"
description: "ICD-10-CM code R73.9: Hyperglycemia, unspecified. Category, related codes, and the official source, in plain English."
canonical: "https://billingbrief.com/icd10/r73.9/"
language: "en"
---

# R73.9 Hyperglycemia, unspecified

ICD-10-CM · [CMS code reference](#source)

**Official ICD-10-CM description:** Hyperglycemia, unspecified

## Coding notes

From the ICD-10-CM FY2027 (effective October 1, 2026) tabular list. Notes on a parent code or category apply here too.

### Excludes1

Not coded together with this code. The exception is when the two conditions are unrelated to each other.

-   diabetes mellitus (E08-E13)
-   diabetes mellitus in pregnancy, childbirth and the puerperium (O24.-)
-   neonatal disorders (P70.0-P70.2)
-   postsurgical hypoinsulinemia (E89.1)

### Excludes2

Not part of this code, but both can be coded when both are documented.

-   abnormal findings on antenatal screening of mother (O28.-)
-   abnormalities of lipids (E78.-)
-   abnormalities of platelets and thrombocytes (D69.-)
-   abnormalities of white blood cells classified elsewhere (D70-D72)
-   coagulation hemorrhagic disorders (D65-D68)
-   diagnostic abnormal findings classified elsewhere - see Alphabetical Index
-   hemorrhagic and hematological disorders of newborn (P50-P61)

## Related codes

-   [`R73.01` Impaired fasting glucose ICD-10-CM](https://billingbrief.com/icd10/r73.01/)
-   [`R73.02` Impaired glucose tolerance (oral) ICD-10-CM](https://billingbrief.com/icd10/r73.02/)
-   [`R73.03` Prediabetes ICD-10-CM](https://billingbrief.com/icd10/r73.03/)
-   [`R73.09` Other abnormal glucose ICD-10-CM](https://billingbrief.com/icd10/r73.09/)

## Common questions

### Is R73.9 a billable code?

Yes. R73.9 is a billable ICD-10-CM code in the ICD-10-CM FY2027 (effective October 1, 2026) code set.

## From the source

Official description from [CMS](https://www.cms.gov/medicare/coding-billing/icd-10-codes).
ICD-10-CM FY2027 (effective October 1, 2026).

Code set

ICD-10-CM

Category

R73 Elevated blood glucose level

Chapter

Symptoms, signs and abnormal clinical and laboratory findings

Billable

Yes

Educational reference only. Not medical, legal, or billing advice. Always check the current official code set and payer policy before you bill. [About BillingBrief and our sources](https://billingbrief.com/about/).