What does ICD-10 code R73.09 mean?

ICD-10 code R73.09 is the standardized code used for other abnormal glucose in medical records and coding systems.

When is ICD-10 code R73.09 used?

Doctors, hospitals, and insurers may use ICD-10 code R73.09 when recording other abnormal glucose in a standardized format.

Does ICD-10 code R73.09 confirm a diagnosis?

No. A code helps standardize documentation and claims, but it should not be read as a substitute for a clinician's full assessment.

ICD10BillableValid for clinical use

ICD-10 Code R73.09: Other abnormal glucose

Name: ICD-10 Code R73.09: Other abnormal glucose
Creator: HealthAssure Clinical Team
Published: 2026-05-21T06:30:48.194Z

R73.09 is a billable ICD-10 diagnosis code used to classify Other abnormal glucose in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99).

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99).

When is it used?

May be used when a clinician documents other abnormal glucose in a patient's medical record.
May appear in hospital records, claims, referrals, and clinical documentation.
This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

A code alone does not explain severity, treatment plan, or outcome.
A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter

18Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)

block

R70-R79Abnormal findings on examination of blood, without diagnosis

Official coding notes

Inclusion terms

Abnormal glucose NOS
Abnormal non-fasting glucose tolerance

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

General Physician

Sibling codes

R73.01Impaired fasting glucosebillable R73.02Impaired glucose tolerance (oral)billable R73.03Prediabetesbillable

Coding guidelines

Common synonyms

Other abnormal glucose

Frequently asked questions

Code details

CodeR73.09

SystemICD10

Display nameOther abnormal glucose

ChapterSymptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)

BlockAbnormal findings on examination of blood, without diagnosis

Flags

BillableYes

Valid clinical useYes

Source

SourceICD-10

Version2026-annual

Releaseannual

Year2026

Index terms

Matched terms

Abnormal, abnormality, abnormalitiesAbnormal, abnormality, abnormalitiesDecrease(d)Findings, abnormal, inconclusive, without diagnosisFindings, abnormal, inconclusive, without diagnosis

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.