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Understanding Your Laboratory Test: What It Is, How It Is Done, and What Your Results Mean

Published: August 9, 2026Updated: August 10, 2026

This test detects the presence of amino beta guanidinopropionate in your blood plasma, which may be related to certain metabolic or kidney conditions.

Quick summary

{"A simple blood test to check for amino beta guanidinopropionate","Helps evaluate kidney function and certain metabolic conditions","Results are reported as positive or negative (present or not present)"}

Medically reviewed by WellAlly Editorial TeamLast reviewed August 10, 2026Editorial policy

Key facts at a glance

LOINC
16355-0
Short code
BGP
Synonyms
AB-Gp Plas Ql
Category
chemistry
Sample
plasma
Container
EDTA (lavender top) or lithium heparin plasma collection tube
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
0–120 years
Method
Liquid chromatography-tandem mass spectrometry (LC-MS/MS) or Gas chromatography-mass spectrometry (GC-MS)
CPT
82175 (Amino acids, quantitative, plasma) or 82541 (Chromatographic assay, qualitative or quantitative, not elsewhere specified)
SNOMED
314383006 (Plasma amino acid measurement)
Specimen volume
2-3 mL of plasma
Stability
Store at 2-8°C if analyzed within 7 days; otherwise store at -20°C or below for longer storage. Avoid repeated freeze-thaw cycles.
Hemolysis max
50
Lipemia max
100
Icterus max
20
TAT
48–168 hours
Order
routine

This laboratory test measures specific substances in a sample of your blood, urine, or other body fluid to help your doctor evaluate how well your body is working. It is a common, routine test that can be used to screen for health problems, confirm or rule out a diagnosis, monitor an ongoing condition, or check how well a treatment is working. Your doctor will order this test when the information it provides can guide decisions about your care.

The Amino Beta Guanidinopropionate test is a specialized blood test that detects whether a compound called amino beta guanidinopropionate is present in your plasma (the liquid part of your blood). This compound is a type of amino acid derivative that is normally filtered out by healthy kidneys.

The test is usually performed on a small sample collected at a clinic, hospital, or laboratory. For a blood test, a trained technician will clean your skin, wrap a band around your upper arm, and draw a small amount of blood from a vein using a thin needle; the process takes only a few minutes and may cause brief, mild discomfort. For a urine or swab sample, you will receive clear instructions on how to collect it. The sample is then labeled and sent to a certified laboratory, where specialized equipment analyzes it, and the results are shared with your doctor.

A healthcare professional will draw a small sample of blood from a vein in your arm. The blood sample is then sent to a laboratory where it is analyzed to detect the presence or absence of amino beta guanidinopropionate. No special preparation is typically required, but follow your doctor's instructions regarding fasting or medication adjustments.

Your results are compared with a reference range, which is the range of values typically seen in healthy people of your age and sex. A result within that range is generally considered normal, while a value that is higher or lower than normal may point to a condition that needs a closer look. Keep in mind that an abnormal result does not automatically mean you are ill; factors such as medications, diet, dehydration, or recent exercise can affect the values. Your doctor will review the numbers along with your symptoms, medical history, and other tests to explain what they mean for you and to decide whether any follow-up is needed.

Results are typically reported as 'Present' or 'Not Present' (positive or negative). If the compound is detected in your plasma, it may indicate that your kidneys are not filtering waste products effectively. Your doctor will interpret these results in combination with other tests and your overall health condition.

Reference range

Not Detected - Amino beta guanidinopropionate should not be present in normal plasmaN/A

Specimen: plasma

No special preparation required. Standard plasma collection procedure. Avoid hemolysis during collection.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Frequently asked questions

Do I need to fast before this test?
Your doctor will let you know if fasting is required. Generally, this test does not require special preparation, but it's important to follow any specific instructions given by your healthcare provider.
Are there any risks associated with this test?
The risks are minimal and similar to any routine blood draw, including slight bruising, bleeding, or infection at the puncture site. These side effects are usually temporary and resolve on their own.
How long does it take to get results?
Results are typically available within a few days, but this may vary depending on the laboratory. Your healthcare provider will contact you with the results or discuss them at your follow-up appointment.
What should I do if my result is positive?
A positive result (presence detected) does not necessarily mean you have a serious condition. Your doctor will review the results with you and may recommend additional tests to determine the cause. Follow your doctor's recommendations for follow-up care.
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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 10, 2026. · Read our editorial policy