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Glutamate, Substance Concentration, Amniotic Fluid

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

This test measures the concentration of glutamate, an amino acid, in a sample of amniotic fluid. It is a specialized laboratory measurement that may be used in research or specialized clinical evaluation of fetal and maternal health.

Quick summary

["The test quantifies glutamate levels in amniotic fluid, a measurement used in specialized assessment rather than routine screening."]

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

Key facts at a glance

LOINC
27104-9
Short code
Glutamate Amn-sCnc
Synonyms
Glutamate 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

What Is Being Measured

Glutamate is an amino acid that serves as a building block for proteins and as a signaling molecule in the nervous system. This test determines how much glutamate is present in amniotic fluid, the fluid that surrounds a developing fetus.

How the Sample Is Collected

Amniotic fluid is obtained through a procedure called amniocentesis, in which a doctor uses a thin needle guided by ultrasound to withdraw a small sample of fluid from the womb. The sample is then sent to a laboratory for analysis.

What the Results Mean

Results are reported as a concentration of glutamate in the fluid. Because normal values can vary by laboratory, method, and gestational age, results should always be interpreted by a qualified healthcare professional in the context of the individual case.

Why the Test May Be Ordered

This measurement is not part of routine prenatal testing. It may be used in specialized or research settings to study amino acid metabolism and fetal development. Your care team can explain whether and why this test is appropriate for your situation.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Glutamate is a key amino acid involved in protein synthesis and neurotransmission. Measuring its concentration in amniotic fluid can provide information about amino acid handling in the fetal-maternal environment, but such testing is specialized and its clinical role is generally limited to research or specific diagnostic evaluations. Interpretation requires correlation with gestational age, other laboratory findings, and the overall clinical picture.

Short name

Amniotic Fluid Glutamate

Frequently asked questions

Is this a routine prenatal test?
No. Measuring glutamate in amniotic fluid is a specialized test and is not part of standard prenatal screening. It is typically used in specific clinical or research contexts.
Does the test require amniocentesis?
Yes. Amniotic fluid is collected through amniocentesis, a procedure performed by a healthcare professional using ultrasound guidance. Your care team can discuss the benefits and risks of the procedure.
Can I interpret the result on my own?
No. Glutamate levels depend on many factors, including laboratory method and gestational age. A healthcare professional should interpret the result along with your medical history and other findings.
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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