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Glucose in Urine (Quantitative)

Published: August 9, 2026Updated: August 16, 2026

This test measures the amount of glucose (sugar) present in your urine. High levels may indicate conditions like diabetes or kidney issues.

Quick summary

Check urine sugar levels to spot potential diabetes or kidney problems early.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
1491-0
Short code
Glucose 30M p 100 g Glc PO Ur-mCnc
Synonyms
Glucose 30M p 100 g Glc PO Ur-mCnc
Category
glucose
Sample
urine
Container
Sterile urine container
Units
N/A
Ref low
70
Ref high
100
Critical range
50 N/A – 400 N/A
Fasting
true
Population
adult
Sex
all
Age range
18–65 years
CPT
82947
SNOMED
260395008
Specimen volume
10 mL
Stability
Room temperature: 2h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
0
Lipemia max
0
Icterus max
0
TAT
4–24 hours
Order
routine

Why This Test Matters

Urine glucose testing helps doctors identify whether your body is handling sugar properly. High urine glucose can signal diabetes, where the body struggles to use insulin effectively, or kidney problems that may filter glucose into urine instead of blood.

How the Test Works

Your urine sample is tested for glucose using a chemical reaction that detects sugar presence. The method may involve color changes or other indicators to quantify the amount.

What to Expect Before the Test

No special preparation is needed. You may collect a random urine sample at any time, but fasting is not required unless instructed by your provider.

What the Results Mean

Results show the concentration of glucose in your urine. Elevated levels may prompt further testing, such as blood glucose checks, to diagnose diabetes or other conditions.

Reference range

Fasting: 70-100 mg/dLN/A

Specimen: urine

Fasting for 8-12 hours required. Water is permitted. Avoid chewing gum and smoking before the test.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

This test helps monitor kidney function and diabetes management by revealing excess sugar in urine. It’s often used alongside blood tests for a complete picture of metabolic health.

Short name

Urine Glucose Test

Frequently asked questions

Why might my urine glucose test be done?
Your doctor may order this test if you have symptoms like frequent urination, excessive thirst, or unexplained weight changes. It’s also used during pregnancy, kidney evaluations, or to check for diabetes.
What do high urine glucose levels usually mean?
High urine glucose often signals diabetes or kidney issues. It may also appear in conditions like gestational diabetes or certain infections. Always discuss results with your healthcare provider.
Can I eat or drink before this test?
No special diet is needed. You can eat and drink normally unless your provider advises otherwise. Avoiding certain foods or drinks may not be necessary for this test.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy