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D-alanine aminotransferase activity in serum/plasma

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

This test measures the activity of an enzyme called D-alanine aminotransferase, which plays a role in amino acid metabolism. It is sometimes analyzed as part of broader metabolic or biochemical studies.

Quick summary

["This enzyme activity may be relevant in certain metabolic or research contexts but is not commonly ordered for routine clinical care."]

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

Key facts at a glance

LOINC
111212-7
Short code
D-ALA Msmt Ur
Synonyms
D-ALA Msmt Ur
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

What Is D-Ala Transferase Used For?

D-alanine aminotransferase (D-Ala transferase) is primarily measured in research settings or specialized studies, such as investigations into amino acid metabolism disorders or biochemical pathways. It may also be part of studies evaluating enzyme kinetics or genetic variations affecting amino acid transport.

How Is This Test Performed?

Blood is drawn from a vein, typically in the arm, and sent to a lab. The enzyme activity is measured using specialized biochemical techniques, often involving high-performance liquid chromatography (HPLC) or enzymatic assays to quantify its function.

What Does a Result Mean?

Since this test is not standard in routine clinical practice, results are not typically used to diagnose common conditions. Abnormal findings might be explored further in research or specialized clinical scenarios, such as metabolic studies or genetic research.

Is This Test Commonly Ordered?

This test is rarely ordered by healthcare providers for general health checks or diagnosing illnesses. It is more likely to be requested in specific research, clinical trials, or specialized metabolic evaluations.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

D-Ala Transferase (Serum/Plasma)

Frequently asked questions

Why Might My Doctor Order This Test?
Your doctor or researcher may order this test if they suspect a rare metabolic disorder, are studying amino acid metabolism, or are conducting a specialized biochemical study. It is not used for diagnosing common conditions like diabetes, kidney disease, or infections.
What Are Normal Results?
There are no widely accepted reference ranges for this test in routine clinical practice. Results are interpreted based on the context of the study or research question, not general health parameters.
What Should I Do If This Test Was Ordered?
If this test was ordered, follow your healthcare provider’s instructions carefully. You may need to prepare for the blood draw, such as fasting if required, and discuss any medications or health conditions that could affect results.
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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