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Serum/plasma concentration of uric acid (qualitative screening)

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

This test measures the amount of uric acid in your blood or plasma, a waste product from purines (chemicals found in your body and certain foods). It helps screen for conditions like gout or kidney issues.

Quick summary

["Assesses uric acid levels to identify potential metabolic or kidney-related problems."]

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

Key facts at a glance

LOINC
9949-9
Short code
QRS dur L-AVF
Synonyms
QRS dur L-AVF
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
ekg
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 doctor may recommend this test if you have symptoms like joint pain, kidney problems, or a history of conditions like gout. It can also be part of routine check-ups for certain groups at higher risk.

What to Expect Before the Test

No special preparation is needed. You may have a small needle inserted into your arm to draw blood, or if testing urine, you’ll collect a sample in a container. Avoid alcohol or certain medications for 24 hours before if instructed.

What the Results Mean

Results are qualitative (yes/no) rather than numeric. High levels may suggest conditions like gout or kidney problems, while low levels might indicate certain metabolic disorders. Always discuss results with your doctor.

Common Conditions Linked to Uric Acid Levels

High uric acid levels can contribute to gout, kidney stones, or kidney disease. Low levels may be linked to rare metabolic disorders or certain genetic conditions.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Uric Acid (Qualitative Screen)

Frequently asked questions

What causes high uric acid levels?
High uric acid can result from diet (rich in purines like red meat or seafood), kidney issues (which reduce uric acid excretion), genetics, or certain medications. Lifestyle factors like obesity or alcohol consumption may also play a role.
How is this test different from a quantitative uric acid test?
This test provides a qualitative (yes/no) result rather than a specific numeric value. Quantitative tests give exact measurements to assess ranges, while this screening helps determine if further testing is needed.
Can diet changes affect this test result?
Yes, diet can influence uric acid levels. Reducing high-purine foods, staying hydrated, and maintaining a healthy weight may help manage levels. Always follow your doctor’s advice for specific dietary recommendations.
  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