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Alpha-Aminobutyric Acid, Serum/Plasma — Qualitative

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

A qualitative blood test that checks for the presence of alpha-aminobutyric acid, an amino acid involved in protein metabolism.

Quick summary

["This test detects alpha-aminobutyric acid in blood and may help evaluate certain metabolic conditions."]

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

Key facts at a glance

LOINC
1787-1
Short code
A-Aminobutyr SerPl Ql
Synonyms
A-Aminobutyr SerPl Ql
Category
liver
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
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

What is this test?

This qualitative test checks a serum or plasma blood sample for alpha-aminobutyric acid, a type of amino acid. Amino acids are building blocks used by the body to make proteins and other molecules.

Why might I need this test?

This test may be ordered as part of an evaluation of unusual symptoms, nutritional concerns, or suspected problems with amino acid metabolism. It is usually interpreted alongside other laboratory results and the findings of a qualified clinician.

How is the test performed?

A blood sample is collected, and the serum or plasma is analyzed in a laboratory to determine whether alpha-aminobutyric acid is present. The exact laboratory method is not specified by the test code.

How do I prepare for the test?

Follow the instructions provided by your healthcare professional. Some amino acid tests require fasting or a special diet, so ask whether dietary restrictions are needed before your blood sample is collected.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Alpha-Aminobutyric Acid

Frequently asked questions

Is alpha-aminobutyric acid the same as GABA?
No. Gamma-aminobutyric acid (GABA) is a different compound with distinct roles in the nervous system. Alpha-aminobutyric acid is an amino acid related to protein metabolism.
Does a qualitative result give a concentration?
No. A qualitative result reports whether the substance is detected rather than providing a measured concentration. Your laboratory may provide additional or confirmatory testing if needed.
Can medications or nutrition affect the result?
They may. Diet, fasting status, illness, and medications can influence amino acid testing, so tell your healthcare professional about relevant medications and dietary changes.
  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