Skip to content

Valerylglutamate (or Valerylglutamine) Serum/Plasma Concentration

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

This test measures the concentration of a specialized metabolite formed when the body breaks down certain amino acids, often linked to conditions affecting amino acid metabolism or liver function.

Quick summary

["Helps assess metabolic or liver health when amino acid processing is suspected."]

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

Key facts at a glance

LOINC
24445-9
Short code
Valerylgly/Creat Ur-sRto
Synonyms
Valerylgly/Creat Ur-sRto
Category
glucose
Sample
urine
Container
Sterile urine container
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
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 doctor may recommend this test if you have symptoms like unusual fatigue, muscle weakness, or signs of metabolic disorders (e.g., liver disease, certain genetic conditions). It may also be used to monitor treatment for conditions like valproate toxicity or amino acid disorders.

What to Expect Before the Test

No special preparation is needed. You may have a blood sample drawn from a vein in your arm, or in some cases, a urine sample may be collected over a 24-hour period. Always follow your healthcare provider’s instructions.

What the Results Mean

Results are interpreted by your doctor based on your overall health, symptoms, and medical history. Abnormal levels may indicate metabolic issues, liver problems, or other conditions affecting amino acid metabolism.

Common Conditions Linked to This Test

Elevated levels might be associated with liver disease, certain amino acid disorders, or exposure to medications like valproate. Lower-than-expected levels could suggest genetic metabolic disorders or other systemic conditions.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Short name

Valerylglutamate Level

Frequently asked questions

What preparation should I follow if my test involves a urine sample over 24 hours?
If your test requires a 24-hour urine collection, follow your doctor’s instructions carefully. Typically, you’ll collect all urine for a full day, discarding the first sample and combining all others. Keep the sample refrigerated and return it promptly to the lab. Avoid certain foods or medications that could interfere with the test results.
How long will it take to get my test results?
Turnaround times vary by lab and test complexity. Blood tests are often completed within a few days, while specialized urine tests may take longer—typically a week or more. Your doctor will contact you once results are ready.
Can I eat or drink normally before this test?
For blood tests, you can eat and drink as usual unless instructed otherwise. For urine tests, especially 24-hour collections, avoid certain foods or supplements that might affect results, and follow your provider’s specific guidelines.
  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