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Glucose, 24-Hour Urine Collection (Total)

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 managing glucose levels, especially if you have diabetes or suspect it.

Quick summary

["Evaluates long-term glucose control by tracking urine sugar output over a full day."]

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

Key facts at a glance

LOINC
40195-0
Short code
Glucose 13m pre chal SerPl-sCnc
Synonyms
Glucose 13m pre chal SerPl-sCnc
Category
glucose
Sample
serum
Container
Red-top tube (SST)
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
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 This Test Matters

Measuring glucose in urine can help identify patterns of sugar loss that may indicate diabetes or other metabolic conditions. Unlike blood glucose tests, this method reflects how much sugar your body is processing and excreting over time, which can be useful for monitoring chronic conditions.

When You Might Need This Test

Your healthcare provider may recommend this test if you have symptoms like frequent urination, excessive thirst, or unexplained weight changes. It’s also used in diabetes management to check for glycosuria (glucose in urine) and to monitor kidney function indirectly.

What to Expect Before the Test

You’ll need to collect all urine for a full 24-hour period, typically starting after midnight on one day and ending the same time the next day. Drink plenty of fluids but avoid sugary drinks or medications that may affect results. Follow your provider’s instructions precisely to ensure accuracy.

What Happens During the Test

No special preparation is required beyond collecting urine samples in a sterile container at regular intervals. The samples are sent to a lab, where they are analyzed for glucose content. Results are compared to standard reference ranges to determine if glucose levels are within normal limits or elevated.

Reference range

Fasting: 70-100 mg/dLN/A

Specimen: serum

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 urine glucose can signal diabetes, kidney issues, or other metabolic disorders. Persistent glycosuria may indicate poor blood sugar control, especially in people with diabetes. This test helps track trends over time and guides treatment adjustments, such as diet, medication, or lifestyle changes.

Short name

24-Hour Urine Glucose Test

Frequently asked questions

What causes high urine glucose levels?
High urine glucose can result from diabetes (both type 1 and type 2), kidney problems that reduce glucose reabsorption, or conditions like Cushing’s syndrome or hyperthyroidism. Stress, infections, or certain medications may also temporarily increase urine glucose.
What if my urine glucose test is high?
If your results show elevated glucose, your healthcare provider may recommend further testing, such as blood glucose monitoring or additional urine tests. They could also check for underlying conditions like kidney disease or hormonal imbalances. Treatment may include better blood sugar management, dietary changes, or medical interventions.
How often should I get this test?
The frequency depends on your health status. People with diabetes may need this test periodically to monitor glucose control, while others with suspected metabolic issues may require it less often. Follow your provider’s guidance based on your specific needs.
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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