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Serum or Plasma Uric Acid Concentration (Qualitative or Quantitative)

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

This test measures the amount of uric acid in your blood or plasma. Uric acid is a waste product from your body’s natural breakdown of certain foods and substances, including purines found in meat and seafood.

Quick summary

["Uric acid levels help identify conditions like gout or kidney issues that may affect how your body processes waste products."]

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

Key facts at a glance

LOINC
99923-5
Short code
S haematobium # UrnS Comp Assist
Synonyms
S haematobium # UrnS Comp Assist
Category
chemistry
Sample
urine
Container
Sterile urine container
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
computer-assisted
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 This Test Might Be Ordered

Your healthcare provider may recommend this test if you have symptoms like joint pain, kidney problems, or if they suspect conditions such as gout, kidney stones, or certain types of arthritis. It may also be used to monitor treatments for these conditions.

What to Expect Before the Test

No special preparation is usually needed, but you might be asked to fast for 8–12 hours before the test if it involves a blood draw. If you’re taking medications that affect uric acid levels, let your provider know.

What the Test Involves

A healthcare professional will draw blood from a vein in your arm. The sample is then sent to a lab to measure uric acid levels. The result will be reported as a concentration value.

What the Results Mean

Results are compared to standard reference ranges, but exact values can vary by lab. High levels may suggest conditions like gout or kidney disease, while very low levels might indicate certain metabolic disorders.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Elevated uric acid levels are often linked to gout, kidney disease, or other metabolic conditions. Low levels may raise concerns about genetic disorders or nutritional deficiencies. Regular monitoring can help manage long-term health risks.

Short name

Uric Acid Level (Serum/Plasma)

Frequently asked questions

What causes high uric acid levels?
High uric acid can result from diet (rich in purines), kidney problems, or genetic factors. Lifestyle changes, like reducing alcohol or high-purine foods, may help lower levels.
What should I do if my uric acid is high?
Follow your healthcare provider’s advice, which may include diet adjustments, medications, or monitoring symptoms like joint pain or kidney issues. Avoid self-treatment without guidance.
Does diet affect uric acid test results?
Yes, foods high in purines (like organ meats or shellfish) can temporarily raise uric acid levels. Avoiding these for a few days before testing may give more accurate results.
  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