R73.0Header code — not billable

Abnormal glucose

Chapter
18. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
Category
R73
Effective date
October 1, 2026

Related codes in category R73

R73Elevated blood glucose levelR73.01Impaired fasting glucoseYesR73.02Impaired glucose tolerance (oral)YesR73.03PrediabetesYesR73.09Other abnormal glucoseYesR73.9Hyperglycemia, unspecifiedYes

Frequently asked questions

What is ICD-10 code R73.0?

R73.0 is an ICD-10-CM diagnosis code for Abnormal glucose.

Is R73.0 a billable code?

No. R73.0 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is R73.0 in?

R73.0 falls under Chapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.

When did R73.0 become effective?

R73.0 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to R73.0?

R73.0 belongs to category R73, which includes 6 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.