Skip to content

Glutamine concentration in serum/plasma

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

This test measures the amount of glutamine, a compound made in your liver, in your blood. Glutamine helps your body use energy and supports immune function.

Quick summary

["Glutamine levels can help assess liver function and metabolic health."]

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

Key facts at a glance

LOINC
26894-6
Short code
Glutamine Amn-sCnc
Synonyms
Glutamine Amn-sCnc
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 might this test be ordered?

Your healthcare provider may order this test if you have symptoms like fatigue, weight loss, or unexplained infections. It could also be used to monitor liver disease, malnutrition, or conditions affecting metabolism.

What does this test involve?

A blood sample is drawn from a vein, usually in your arm. The sample is sent to a lab where it is analyzed to measure glutamine concentration.

What does a result mean?

Glutamine levels can vary based on health status, diet, and other factors. Your results will be compared to standard reference ranges provided by your lab.

How is this test prepared?

No special preparation is needed for this test. You may continue with your usual activities, but avoid heavy meals or excessive alcohol before the test.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Glutamine is an important amino acid involved in protein metabolism and immune function. Low levels may indicate liver disease, malnutrition, or other metabolic disorders. High levels can sometimes be associated with certain medical conditions or metabolic processes.

Short name

Serum/plasma glutamine

Frequently asked questions

What are common reasons for abnormal results?
Low glutamine levels might be seen in liver disease, severe infections, or malnutrition. High levels could be linked to certain metabolic conditions or stress responses.
Can diet affect glutamine levels?
Yes, diet can influence glutamine levels. High-protein diets or certain medical diets may impact these levels. Always follow your healthcare provider’s dietary advice.
Is this test painful?
The blood draw may cause a slight pinch or discomfort, but it usually lasts only a few seconds. Most people experience minimal pain afterward.
  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