Glucose in Plasma (24-Hour Urine Collection)
This test measures the amount of glucose (sugar) present in your urine over a 24-hour period to check for how well your body is handling sugar.
["Assesses how well your body controls blood sugar over time."]
Key facts at a glance
- LOINC
- 33082-9
- Short code
- GA from BPD.Osaka89
- Synonyms
- GA from BPD.Osaka89
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- us-estimated-from-bpd-osaka
- 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 you have symptoms like frequent urination, excessive thirst, or unexplained weight changes. It’s also used to monitor conditions like diabetes, kidney disease, or metabolic disorders. A 24-hour urine collection helps provide a more accurate picture of your sugar metabolism than a single blood or urine sample alone.
What to Expect Before the Test
You’ll need to collect all urine for a full 24-hour period, starting after you wake up and ending just before you wake up the next day. Keep a record of the time and volume of each urine sample. Follow your doctor’s instructions carefully to ensure accurate results.
What Happens During the Test?
No special preparation is needed beyond collecting urine samples. The lab will analyze the urine for glucose content. The test is typically painless and doesn’t require a blood draw.
What the Results Mean
Higher-than-normal glucose in urine may indicate poor blood sugar control, kidney issues, or other metabolic problems. Your doctor will interpret results in the context of your overall health and symptoms.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
This test helps identify whether your body is efficiently managing glucose, which is critical for diagnosing or monitoring conditions like diabetes, kidney function, or other metabolic disorders. Elevated results may prompt further testing or adjustments to treatment plans.
Frequently asked questions
Why might my doctor recommend this test?
What does a high or low urine glucose result mean?
Do I need to fast before this test?
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