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Glucose in Serum (24-hour urine collection)

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

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

Quick summary

["A 24-hour urine glucose test helps detect conditions like diabetes or kidney issues by tracking sugar in your urine."]

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

Key facts at a glance

LOINC
31892-3
Short code
MuV Ag Nose Ql
Synonyms
MuV Ag Nose Ql
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Specimen volume
5 mL
Stability
Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
500
Lipemia max
1000
Icterus max
500
TAT
4–24 hours
Order
routine

Why Is This Test Done?

Your doctor may order this test if they suspect diabetes, kidney problems, or other metabolic disorders. It helps check for excessive sugar in urine, which can occur when your body can’t properly regulate blood sugar.

What to Expect Before the Test

You’ll need to collect all urine for 24 hours, starting after midnight of the day before the test and ending the same time the next day. Use a clean container and keep it refrigerated. Follow your doctor’s instructions carefully to ensure accurate results.

How the Test Works

The collected urine is analyzed to measure glucose levels. This helps identify patterns of sugar excretion that may indicate underlying health concerns.

What the Results Mean

Results may show normal glucose levels in urine or elevated amounts, which could signal conditions like diabetes, kidney dysfunction, or other metabolic issues. Your doctor will interpret the results in the context of your overall health.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

This test is clinically significant for diagnosing or monitoring conditions like diabetes mellitus (especially type 1 or type 2), diabetic nephropathy (kidney damage from diabetes), or other metabolic disorders. Elevated urine glucose can also be a sign of uncontrolled blood sugar levels or kidney issues.

Short name

None

Frequently asked questions

What does a positive or abnormal urine glucose test mean?
An abnormal result may indicate diabetes, kidney problems, or other metabolic conditions. Your doctor will review your full medical history and other test results to determine the cause and next steps.
How often should I get this test?
Your doctor will determine how often you need this test based on your health needs, symptoms, and medical history. Regular follow-ups may be recommended if you have diabetes or kidney concerns.
Can I eat or drink anything before the test?
You can typically eat and drink normally before the test, but follow your doctor’s specific instructions. Avoiding certain medications or foods may be advised to ensure accurate 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