Serum or plasma concentration of a specific protein marker for renal function (e.g., creatinine-related measurement)
This test measures the level of a substance in your blood that helps assess how well your kidneys are filtering waste products. It may be used to monitor kidney health or detect early signs of kidney disease.
["This test helps track kidney function and identify potential kidney issues early."]
Key facts at a glance
- LOINC
- 107020-0
- Short code
- K pnm DNA BAL NAA+n-prb-NCncRng
- Synonyms
- K pnm DNA BAL NAA+n-prb-NCncRng
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- non-probe-amp-tar
- 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 healthcare provider may order this test if you have symptoms like swelling, fatigue, or changes in urine output. It could also be part of routine check-ups, especially if you have a higher risk of kidney problems, such as diabetes or high blood pressure. Sometimes, it’s used to monitor treatments for kidney conditions.
What Does the Result Mean?
Results can vary based on the specific marker measured. High levels might suggest kidney problems, while low levels could indicate other health concerns. Your doctor will interpret the result in relation to your overall health and symptoms.
What to Expect Before the Test
No special preparation is usually needed, but you may be asked to fast for 8–12 hours before the test if it involves a blood draw. Drink plenty of water the day before if the test involves urine collection. Avoid certain medications or supplements that could affect results.
What to Expect During the Test
For a blood test, a healthcare professional will draw blood from a vein in your arm. For a urine test, you’ll collect a sample in a clean container. The process is quick and typically painless, though you might feel a slight pinch.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Elevated levels may indicate impaired kidney function, fluid overload, or other metabolic issues. Low levels could signal dehydration, liver disease, or certain medications. Regular monitoring helps manage chronic conditions and prevents complications.
Short name
Renal function marker (serum/plasma)
Frequently asked questions
How often should I get this test?
Can I eat or drink before this test?
What if my result is outside the normal range?
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