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Urine General Protein (Qualitative)

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

This test checks for the presence of protein in your urine, which may indicate kidney issues or other health problems.

Quick summary

["A simple urine test to detect abnormal protein levels that could signal kidney or urinary tract concerns."]

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

Key facts at a glance

LOINC
112041-9
Short code
Scope of observation UGI Endscpy
Synonyms
Scope of observation UGI Endscpy
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
endoscopy
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 to monitor kidney function, diagnose conditions like kidney disease, detect urinary tract infections, or evaluate symptoms such as swelling, frequent urination, or blood in the urine.

What to Expect Before the Test

No special preparation is needed. You’ll provide a urine sample in a clean container, often collected at home or during a routine visit. Avoid excessive protein-rich foods or certain medications for 24 hours before testing if instructed.

What the Results Mean

Positive results (protein detected) may suggest kidney problems, urinary tract issues, or other systemic conditions. Negative results mean no protein was found in this sample, but repeated testing may be needed for ongoing monitoring.

Common Conditions This Test Helps Identify

This screening can help diagnose or monitor conditions like nephrotic syndrome, diabetic nephropathy, glomerulonephritis, or urinary tract infections. It’s also used in early kidney disease detection.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Urine Protein Screen

Frequently asked questions

How long does it take to get results from this test?
Results are typically available within 1–2 business days, depending on your lab’s processing time. Some clinics may provide results sooner if you’re seen in person.
Can I eat or drink anything before this test?
No dietary restrictions apply unless your provider specifies otherwise. However, avoid excessive protein intake or certain medications (like NSAIDs) that may affect results if instructed.
What if my urine test shows protein but I don’t have symptoms?
Further testing, like a 24-hour urine protein collection or kidney function tests, may be needed to determine the cause. Your provider will guide next steps based on your overall health and symptoms.
  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