Glucose, 24-Hour Urinary Excretion Rate (Total)
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.
["This test helps identify if your body is losing too much glucose in urine, which may indicate diabetes or other metabolic conditions."]
Key facts at a glance
- LOINC
- 59791-4
- Short code
- Glucose 30M p chal SerPl-SCDiff
- Synonyms
- Glucose 30M p chal SerPl-SCDiff
- 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
Your healthcare provider may order this test if you have symptoms like frequent urination, excessive thirst, or unexplained weight loss. It can also be used to monitor diabetes management, especially if you’re taking medications that affect glucose levels or have kidney issues.
What to Expect Before the Test
You’ll need to collect all urine for 24 hours, typically starting and ending with your first morning urine. Store the urine in a refrigerator and bring the entire sample to the lab. Follow any specific instructions your provider gives you to ensure accurate results.
How the Test Is Performed
The test involves collecting urine over 24 hours. The sample is then analyzed in a lab to measure the total glucose content. The method used is likely immunoassay or enzymatic, depending on the lab’s standard procedure.
What the Results Mean
Higher than expected results may suggest diabetes, kidney problems, or conditions like gestational diabetes. Lower results might indicate malabsorption issues or certain medications. Your provider will interpret results in the context of your overall health.
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.
◆Associated findings1
Short name
24-Hour Urine Glucose
Frequently asked questions
Why might my doctor want this test?
How often should I get this test?
What do abnormal results mean?
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