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Glucose in 24-Hour Urine Collection (Quantitative)

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

This test measures the total amount of glucose (sugar) excreted in your urine over a 24-hour period. It helps assess how well your body is handling glucose metabolism.

Quick summary

["This test helps detect excessive glucose loss in urine, which may indicate diabetes or other metabolic conditions."]

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

Key facts at a glance

LOINC
26549-6
Short code
Glucose 3h p Glc Ur Ql Strip
Synonyms
Glucose 3h p Glc Ur Ql Strip
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
Method
test-strip
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 Is This Test Done?

Your healthcare provider may order this test if you have symptoms like frequent urination, excessive thirst, or unexplained weight changes. It’s also used to monitor kidney function and check for conditions like diabetes or gestational diabetes.

What to Expect Before the Test

You’ll need to collect all urine for 24 hours, starting after you wake up the next morning and ending with the first urine of the following morning. Store samples at room temperature and bring them to your appointment.

How the Test Is Performed

Urine is collected in a clean container over 24 hours. The sample is then analyzed in a lab using a method like enzymatic or turbidimetric techniques to measure glucose levels.

What the Results Mean

Results are typically reported as the total glucose excreted in milligrams (mg) or grams (g) over 24 hours. High levels may suggest diabetes, kidney issues, or 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.

◆Associated findings1

Short name

24-Hour Urine Glucose

Frequently asked questions

How often should I expect this test?
This test is usually done once or occasionally, depending on your medical needs. Your doctor will let you know if follow-up tests are needed.
What are the normal results?
Normal results vary by lab and method, but typically, glucose should not appear in urine under normal circumstances. High values may indicate diabetes or other metabolic issues.
Can I eat or drink anything before the test?
Yes, you can eat and drink normally, but avoid excessive sugar intake if your doctor has specific instructions. Follow your healthcare provider’s guidance for the best results.
  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