Unspecified substance concentration in urine (general protein or metabolite screening)
This test measures certain substances in your urine, which may include proteins, metabolites, or other compounds. It helps detect early signs of kidney issues, infections, or other health conditions.
["Early detection of potential kidney problems or other health concerns through urine analysis."]
Key facts at a glance
- LOINC
- 25045-6
- Short code
- CT Unsp region
- Synonyms
- CT Unsp region
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- ct
- 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
What This Test Measures
This test evaluates the presence of specific substances in your urine, though the exact analytes aren’t specified. Common targets may include proteins (like albumin), glucose, ketones, blood cells, or other metabolites. The results help identify abnormalities that could signal kidney disease, urinary tract infections, diabetes, or other metabolic conditions.
Common Uses and Why It Matters
Urine substance screening is often used as a quick and non-invasive way to monitor kidney function, check for infections, or screen for conditions like diabetes. Early detection can lead to timely treatment and better health outcomes.
How the Test Works
Your urine sample is collected and analyzed using a method that detects the concentration of certain substances. The test may involve qualitative or quantitative measurements, depending on the specific analytes being checked. Results are compared to general reference ranges to identify any deviations.
What to Expect Before the Test
There are usually no special preparations needed for this test. You may be asked to collect a midstream urine sample or provide a random sample, depending on the clinical need. Avoiding certain foods or medications beforehand may not be required unless instructed by your healthcare provider.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
◆Associated findings1
Short name
Urine Substance Screening (unspecified)
Frequently asked questions
Abnormal results may indicate conditions such as kidney disease, urinary tract infections, diabetes, or metabolic disorders. Elevated levels of certain substances could signal kidney damage, infections, or other health concerns that need further evaluation.
What if I have questions about my results? Your healthcare provider will discuss your findings in detail and explain what they mean for your health.
Can I drink water before this test? Generally, drinking water is fine unless your doctor specifies otherwise, as it helps ensure a representative urine sample.
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