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Serum/plasma mass concentration of monosodium urate (urate mass concentration)

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

This test measures the amount of uric acid (urate) in your blood, which can help identify conditions like gout or kidney issues.

Quick summary

["Uric acid levels may signal gout, kidney problems, or other metabolic concerns."]

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

Key facts at a glance

LOINC
35021-5
Short code
Monos+Macros NFr Plr
Synonyms
Monos+Macros NFr Plr
Category
chemistry
Sample
fluid
Container
Sterile tube
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Specimen volume
2-5 mL
Stability
Room temperature: 2h, Refrigerated: 24h
Hemolysis max
300
TAT
4–24 hours
Order
routine

Why Is This Test Done?

Your doctor may order this test to diagnose or monitor conditions such as gout (a form of arthritis caused by urate crystals), kidney disease, or to check for high uric acid levels in your blood. It can also help assess how well your body is processing waste products.

What Does a High or Low Level Mean?

High uric acid levels may indicate gout, kidney problems, or other metabolic disorders. Low levels are less commonly significant unless part of a broader evaluation for conditions like certain genetic disorders.

Sample Collection and Preparation

A blood sample is taken from a vein, usually in your arm. The blood is then processed to separate serum or plasma for testing. This test does not require fasting unless specified by your healthcare provider.

Common Conditions Monitored

This test is often used to monitor gout attacks, kidney function, and metabolic health. It may also be part of evaluations for conditions like hyperuricemia (chronically high uric acid) or rare genetic disorders affecting uric acid metabolism.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance: Uric Acid Levels and Health

Short name

Urate Mass Concentration

Frequently asked questions

What causes elevated uric acid levels?
Elevated uric acid levels can result from diet (e.g., high-purine foods), kidney problems, certain medications, or genetic factors. Gout, kidney disease, and metabolic syndrome are common causes.
How often should I get this test?
Your doctor will determine the frequency based on your health needs. For example, gout patients may need monitoring every few months, while others may only need it once yearly.
Can lifestyle changes affect uric acid levels?
Yes, diet, weight management, and hydration can impact uric acid levels. Reducing alcohol, limiting purine-rich foods, and staying hydrated may help lower levels if they are elevated.
  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