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Serum or plasma concentration of uric acid (substance concentration)

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

This test measures the amount of uric acid in your blood, which is a waste product from your body’s breakdown of certain foods and substances.

Quick summary

["Uric acid levels help identify conditions like gout or kidney issues."]

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

Key facts at a glance

LOINC
16928-4
Short code
PUUV IgG+IgM Ser-aCnc
Synonyms
PUUV IgG+IgM Ser-aCnc
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
CPT
82784
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 Might Be Ordered

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

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 you’re having it as part of a kidney function evaluation.

What Happens During the Test

A healthcare professional will draw blood from a vein in your arm. The process is quick and typically causes only minor discomfort. The blood sample is then sent to a lab for analysis.

What the Results Mean

Results are compared to a general reference range, but individual ranges can vary by lab. High levels may indicate conditions like gout, kidney disease, or certain cancers, while very low levels might suggest genetic disorders or liver/kidney problems. Always discuss your results with your provider.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Uric Acid

Frequently asked questions

What could high or low uric acid levels suggest?
High uric acid levels (hyperuricemia) are often linked to gout, kidney disease, or metabolic syndrome. Repeatedly high levels may increase the risk of kidney stones or heart disease. Low levels are less common but could signal genetic disorders, liver disease, or certain medications.
How does diet or lifestyle affect uric acid?
Dietary factors like high-purine foods (red meat, shellfish) or alcohol consumption can raise uric acid levels. Staying hydrated, maintaining a healthy weight, and limiting processed foods may help support normal levels.
Can uric acid levels change over time?
Yes, uric acid levels can fluctuate due to illness, medications, or underlying health changes. Regular monitoring may be needed if you have conditions like gout or kidney disease, as treatments can affect these levels over time.
  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