Glucose, 24-Hour Urine Collection (Total)
This test measures the total amount of glucose excreted in your urine over a 24-hour period, often used to assess how well your body manages glucose levels.
["Helps identify if your body is handling glucose properly, especially in conditions like diabetes."]
Key facts at a glance
- LOINC
- 40214-9
- Short code
- Glucose 25h p chal SerPl-sCnc
- Synonyms
- Glucose 25h p 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 Is Done
A 24-hour urine collection for glucose is typically ordered to evaluate how much glucose appears in your urine. This can help doctors diagnose or monitor conditions like diabetes, where glucose might spill into urine due to high blood sugar levels or kidney issues. It may also be used to check for other metabolic disorders or to assess response to treatments.
What to Expect Before the Test
You’ll need to collect all urine for a full 24-hour period, starting right after you wake up and ending just before you wake up the next day. Drink plenty of fluids to help flush out glucose, but avoid sugary drinks or foods. Store the urine in a clean container and keep it refrigerated until you return it to the lab.
What Happens During the Test
No special preparation is needed beyond the urine collection. The lab will analyze the total glucose content in your urine sample to determine if it exceeds normal levels.
What the Results Mean
Results are compared to expected values for a healthy individual. Elevated levels may indicate diabetes, kidney problems, or other metabolic conditions. Your doctor will discuss the results in the context of your overall health and symptoms.
Reference range
Fasting: 70-100 mg/dLN/A
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.
High urine glucose levels can signal diabetes or impaired kidney function, as the kidneys may not filter glucose properly. It can also help detect undiagnosed diabetes or monitor treatment effectiveness. Low or absent glucose in urine may suggest normal glucose metabolism or conditions like severe dehydration.
Short name
Urine Glucose Profile
Frequently asked questions
What causes glucose to appear in urine?
Is there any risk or discomfort with this test?
How often is this test recommended?
Sources
- 1
- 2Lab Tests OnlineSource
- 3
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.
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