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Serum or Plasma Mass Concentration of Allantoin

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

This test measures the amount of allantoin, a breakdown product of certain purines, in your blood. It may be used in specific clinical contexts to assess metabolic or renal function.

Quick summary

["Allantoin levels can help evaluate how your body processes waste products and kidney function in certain cases."]

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

Key facts at a glance

LOINC
20895-9
Short code
M gallisep Ag Tiss Ql ImStn
Synonyms
M gallisep Ag Tiss Ql ImStn
Category
coagulation
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
immune-stain
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 or conditions that could affect how your body breaks down purines, such as certain genetic disorders or kidney issues. It may also be part of a broader evaluation for metabolic or biochemical abnormalities.

What Does the Test Measure?

Allantoin is a small molecule produced when purines (natural compounds found in cells) are broken down. Elevated levels might suggest impaired kidney function or metabolic conditions that alter purine metabolism.

Sample Collection and Preparation

Blood is typically drawn from a vein in your arm. The sample is collected in a tube and sent to the lab for analysis. Plasma or serum (liquid part of blood) is used for this test.

What to Expect Before the Test

No special preparation is usually needed, but you may be asked to fast or avoid certain medications for a few hours before the test. Always follow your healthcare provider’s instructions.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

While allantoin is generally present in small amounts in healthy individuals, elevated levels can indicate kidney dysfunction or conditions affecting purine metabolism. This test may be part of a diagnostic workup for metabolic disorders, genetic testing, or monitoring kidney health in certain patients.

Short name

Allantoin Level

Frequently asked questions

What causes abnormal allantoin levels?
Abnormal allantoin levels may be linked to kidney disease, genetic metabolic disorders (such as certain purine metabolism disorders), or conditions that alter purine breakdown. Your healthcare provider will consider your symptoms, medical history, and other test results when interpreting results.
How are allantoin levels interpreted?
Interpretation depends on your overall health, other tests, and clinical context. Your healthcare provider will compare the result to your baseline and relevant medical information to determine if it’s within normal range or if further action is needed.
Can lifestyle changes affect allantoin levels?
While diet and lifestyle factors may influence purine metabolism indirectly, allantoin levels are primarily measured in blood and are not typically affected by daily habits unless there is an underlying metabolic condition. Always discuss any concerns with your provider.
  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