Unspecified Substance Concentration in Urine (Comprehensive Urine Profile Screening)
This test measures the presence and concentration of various substances in your urine, helping identify potential health issues like infections, kidney problems, or metabolic conditions.
["A urine screening to check for hidden health concerns."]
Key facts at a glance
- LOINC
- 99859-1
- Short code
- Non-dys RBC UrnS Ql Comp Assist
- Synonyms
- Non-dys RBC UrnS Ql Comp Assist
- Category
- chemistry
- Sample
- urine
- Container
- Sterile urine container
- Units
- N/A
- Ref low
- 4.2
- Ref high
- 5.9
- Critical range
- 2 N/A – 7 N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- computer-assisted
- CPT
- 85041
- SNOMED
- 900000000000003001
- 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
What This Test Measures
This test evaluates multiple analytes, including electrolytes, organic acids, proteins, and other biomarkers, often performed as part of a broader urine analysis. Results may indicate kidney function, hydration status, or the presence of infections or toxins.
Why It’s Ordered
Your healthcare provider may recommend this test if you have symptoms like frequent urination, pain during urination, unusual urine color, or if you’re experiencing signs of kidney issues, diabetes, or exposure to toxins.
Common Uses and Indications
Common reasons include diagnosing urinary tract infections, kidney disease, diabetes, liver problems, or detecting drug use. It may also be used during pregnancy, before surgery, or as part of routine health checks.
Sample Collection and Preparation
You’ll likely collect a midstream urine sample in a clean container. Follow your provider’s instructions carefully to ensure accurate results. Avoid urinating immediately before the test if instructed.
Reference range
Adult males: 4.2-5.9; Females: 3.8-5.1 x 10^12/LN/A
No special preparation required. Stay well hydrated.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
◆Associated findings1
Short name
Urine Substance Profile (Screening)
Frequently asked questions
Abnormal results may signal infections (e.g., bacteria, blood), kidney damage, metabolic disorders, or exposure to toxins. Always discuss findings with your doctor for proper interpretation.
How long does it take to get results?
Can I drink water 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 17, 2026. · Read our editorial policy