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10-Hour Urine Glucose Rate

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

This test measures how much glucose (sugar) appears in your urine over a 10-hour period. It helps assess how your body manages blood sugar levels, especially in people with diabetes or suspected glucose intolerance.

Quick summary

["This test helps track how well your body controls blood sugar over time."]

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

Key facts at a glance

LOINC
21307-4
Short code
Glucose 10h Ur-mRate
Synonyms
Glucose 10h Ur-mRate
Category
glucose
Sample
urine
Container
Sterile urine container
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
10 mL
Stability
Room temperature: 2h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
0
Lipemia max
0
Icterus max
0
TAT
4–24 hours
Order
routine

Why Is This Test Done?

Your healthcare provider may order this test if you have symptoms like frequent urination, excessive thirst, or unexplained weight changes. It’s also used to monitor diabetes management or screen for conditions like diabetes or prediabetes.

How Is the Test Performed?

You’ll likely collect a 24-hour urine sample, but this test specifically focuses on a 10-hour period. Your sample may be taken over a set timeframe (e.g., overnight or during a specific shift) to measure glucose excretion accurately.

What Does the Result Mean?

Higher-than-expected glucose in urine over 10 hours may indicate poor blood sugar control, diabetes, or other metabolic issues. Lower-than-expected results might suggest normal glucose handling or conditions like kidney problems affecting urine output.

Common Causes of Abnormal Results

Abnormally high glucose in urine can stem from diabetes, stress, infections, or certain medications. Abnormally low results may occur if your body naturally excretes less glucose or if the test was improperly collected.

Reference range

Fasting: 70-100 mg/dLN/A

Specimen: urine

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

Urine Glucose Over 10 Hours

Frequently asked questions

What does a high 10-hour urine glucose rate mean?
A high result suggests your body may not be managing blood sugar efficiently, which could indicate diabetes or poor control of existing diabetes. Your provider may recommend lifestyle changes, medication adjustments, or further testing.
How is the urine sample collected for this test?
You’ll typically collect urine over a 10-hour period (e.g., overnight or during a set timeframe). Your provider will give clear instructions on timing and storage to ensure accuracy. A clean-catch or timed collection method may be used.
Can diet or medications affect this test?
Yes. High-carb foods, diabetes medications (like insulin or sulfonylureas), or stress can influence glucose levels. Your provider may ask you to avoid certain foods or medications before testing to get the most accurate result.
  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