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Glucose in Urine (Qualitative, 24-Hour Collection)

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

This test checks for the presence of glucose (sugar) in your urine over a 24-hour period, often used to monitor blood sugar levels in people with diabetes or other conditions affecting sugar metabolism.

Quick summary

["This test helps detect or track sugar in urine, which can indicate how well your body manages blood sugar."]

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

Key facts at a glance

LOINC
53868-6
Short code
Glucose tetrasaccharide/Creat Ur-sRto
Synonyms
Glucose tetrasaccharide/Creat Ur-sRto
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 Is Done

Doctors may order this test to diagnose or monitor conditions like diabetes, kidney problems, or other metabolic disorders. It can also help assess how well medications for blood sugar control are working.

What to Expect Before the Test

You’ll typically collect all urine for 24 hours in a container provided by your healthcare team. Drink plenty of fluids but avoid adding sugar or sweetened drinks to the sample. Report any changes in urine color or consistency to your provider.

How the Test Works

The collected urine is tested for glucose using a chemical reaction that detects sugar presence. Results are qualitative (yes/no) rather than quantifying exact amounts.

Possible Results and Their Meaning

A positive result (glucose detected) suggests your body isn’t properly managing blood sugar, which may require lifestyle changes, medication adjustments, or further testing. A negative result means no glucose was found in the urine sample.

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.

Clinical Significance

Frequently asked questions

What does a positive result mean?
A positive result may indicate uncontrolled diabetes, kidney issues, or other metabolic conditions. It’s important to discuss your results with your healthcare provider to determine the next steps, which could include blood sugar monitoring or additional tests.
Why might my doctor order this test?
Your doctor may order this test to check for diabetes, kidney problems, or to monitor how well you’re managing blood sugar levels, especially if you have symptoms like frequent urination, excessive thirst, or unexplained weight changes.
Can I eat or drink anything before the test?
You can drink water but avoid sugary drinks or foods that might affect urine sugar levels. Follow your healthcare provider’s specific instructions for the 24-hour collection period.
  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