Skip to content

Serum Amino Acid Profile (Mass Concentration)

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

This test measures the levels of various amino acids in your blood serum. Amino acids are the building blocks of proteins and play key roles in metabolism, tissue repair, and overall health.

Quick summary

["Understanding your amino acid levels can help identify imbalances that may affect energy, digestion, or other bodily functions."]

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

Key facts at a glance

LOINC
32297-4
Short code
Deprecated Amino acids Ur-Imp
Synonyms
Deprecated Amino acids Ur-Imp
Category
chemistry
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 healthcare provider may recommend this test if you have symptoms like fatigue, muscle weakness, or unexplained weight changes. It could also be used to monitor conditions such as metabolic disorders, liver disease, or kidney problems, or to check for nutritional deficiencies.

What to Expect Before the Test

No special preparation is typically needed. You may be asked to fast for a few hours before the blood draw, but this depends on your provider’s instructions. Bring any medications you’re currently taking to your appointment.

What the Test Involves

A healthcare professional will draw blood from a vein in your arm. The blood sample is then sent to a lab for analysis. The process usually takes a few minutes and may cause a slight pinch or discomfort.

What the Results Mean

The results will show the concentration of different amino acids in your blood. While specific reference ranges vary by lab, elevated or low levels of certain amino acids can signal underlying health issues that need further investigation.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Amino Acid Blood Test

Frequently asked questions

How might my amino acid levels affect my health?
Abnormal levels of amino acids can indicate conditions like metabolic disorders (e.g., phenylketonuria), liver or kidney disease, or nutritional deficiencies. Your provider will discuss any findings with you and may recommend additional tests or treatments if needed.
What are the common causes of abnormal amino acid levels?
Common causes include genetic disorders, liver or kidney problems, malnutrition, certain medications, or metabolic imbalances. Lifestyle factors like diet and hydration can also influence amino acid levels.
How often should I get this test?
The frequency depends on your health status and any conditions being monitored. Your healthcare provider will determine the best timing based on your individual needs, such as during routine check-ups or if symptoms arise.
  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