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Organic acids profile (24-hour urine collection)

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

This test measures levels of various organic acids in your urine over a 24-hour period. It helps identify metabolic imbalances, such as those linked to mitochondrial disorders, mitochondrial dysfunction, or metabolic syndromes.

Quick summary

["This test can help diagnose or monitor conditions affecting how your body processes energy and nutrients."]

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

Key facts at a glance

LOINC
108850-9
Short code
Organic Acids Msmt SerPl
Synonyms
Organic Acids Msmt SerPl
Category
chemistry
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

Why This Test Is Done

Your doctor may recommend this test if you have symptoms like fatigue, muscle weakness, developmental delays in children, or unexplained health issues that might suggest metabolic problems. It’s also used to check for conditions like mitochondrial disorders, methylmalonic acidemia, or organic acidemias.

What to Expect Before the Test

You’ll need to collect all urine for a full 24-hour period, typically starting after midnight on one day and ending just before midnight the next. Follow your doctor’s instructions carefully to ensure accurate results. Avoid certain medications or foods that might interfere with the test.

What the Test Measures

The test detects abnormal levels of organic acids like lactic acid, acetic acid, propionic acid, and others. These acids are byproducts of normal metabolic processes, and elevated levels may indicate metabolic disorders or enzyme deficiencies.

How the Results Are Interpreted

Your results will be reviewed by a healthcare provider or metabolic specialist. Elevated or unusual levels of specific acids may point to underlying conditions that require further testing or treatment, such as genetic disorders or mitochondrial diseases.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Organic acids in urine can reflect metabolic pathways that are disrupted by genetic mutations, mitochondrial dysfunction, or other health conditions. For example, high levels of certain acids may suggest conditions like methylmalonic acidemia, propionic acidemia, or other inherited metabolic disorders. Early detection can guide treatment plans, including dietary adjustments or enzyme therapies.

Short name

24-Hour Organic Acids Test

Frequently asked questions

What does a positive or abnormal result mean?
An abnormal result may indicate an underlying metabolic disorder or condition that affects how your body processes nutrients and energy. This does not necessarily mean you have a serious illness, but it may prompt further testing or a referral to a specialist who focuses on metabolic health.
How often should I get this test?
Your doctor will determine how often you need this test based on your symptoms, medical history, and test results. Some people may need it once, while others may require follow-up tests periodically to monitor their condition.
Can I eat or drink anything before the test?
Yes, you can eat and drink normally before the test, but follow your doctor’s instructions about avoiding certain medications or supplements that might interfere with the 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