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Glucose, 24-Hour Urine Collection (Mass Concentration)

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

This test measures the total amount of glucose excreted in your urine over a 24-hour period. It helps assess how well your body is managing glucose levels, which is important for understanding conditions like diabetes.

Quick summary

["This test helps track how your body handles glucose, especially useful for diabetes management."]

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

Key facts at a glance

LOINC
1509-9
Short code
Glucose 1h p 75 g Glc PO Ur-mCnc
Synonyms
Glucose 1h p 75 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 for Your Health

Glucose in urine can indicate how your kidneys are filtering blood and whether your body is processing glucose properly. High levels may suggest diabetes or other metabolic issues, while normal results can confirm effective glucose control.

What to Expect Before the Test

You’ll need to collect all urine for 24 hours, starting after midnight of one day and ending after midnight the next. Store the urine in a clean container, keeping it refrigerated if possible. Your healthcare provider will provide detailed instructions to ensure accuracy.

How the Test Works

Your urine sample is analyzed to measure the total glucose content. The test accounts for all forms of glucose excreted in your urine, providing a comprehensive picture of your body’s glucose metabolism over the day.

Common Conditions Monitored

This test is often used to diagnose or monitor diabetes, including type 1 and type 2 diabetes. It can also help assess kidney function and check for conditions like glycosuria (glucose in urine) that may occur with other metabolic disorders.

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.

Elevated glucose in urine can signal diabetes, poor kidney function, or other metabolic disturbances. Consistently low results may indicate normal glucose handling, but abnormal results warrant further evaluation by your healthcare provider to rule out underlying conditions.

Short name

24-Hour Urine Glucose

Frequently asked questions

What does a high urine glucose level mean?
A high urine glucose level often means your body isn’t effectively managing glucose, which can be a sign of diabetes or impaired kidney function. Your doctor may recommend lifestyle changes, medication adjustments, or further testing to understand and address the cause.
How often should I get this test?
Your doctor will determine the frequency based on your health status, diagnosis, and treatment plan. Regular monitoring may be needed if you have diabetes or other conditions affecting glucose metabolism.
Can I drink water before the test?
Yes, you can drink plenty of water throughout the 24-hour period to ensure accurate urine collection. Avoid excessive fluid intake just before the test start time to prevent dilution effects, but follow your healthcare provider’s specific instructions.
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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