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Pyruvate concentration in plasma (24-hour profile)

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

This test measures the levels of pyruvate, a metabolic intermediate, over a 24-hour period in your blood plasma. It helps assess how well your body converts food into energy and may identify metabolic disorders.

Quick summary

["This test helps diagnose or monitor conditions affecting energy metabolism."]

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

Key facts at a glance

LOINC
27963-8
Short code
Pyruvate 1h p chal Bld-mCnc
Synonyms
Pyruvate 1h p chal Bld-mCnc
Category
chemistry
Sample
whole-blood
Container
Lavender-top (EDTA)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Specimen volume
3 mL
Stability
Room temperature: 4h, Refrigerated: 24h
Hemolysis max
0
Lipemia max
0
Icterus max
0
TAT
4–24 hours
Order
routine

Why This Test Is Done

Your healthcare provider may order a 24-hour pyruvate profile if you have symptoms like fatigue, muscle weakness, or unexplained metabolic issues. It can also be used to evaluate conditions such as mitochondrial disorders, lactic acidosis, or inherited metabolic diseases that disrupt pyruvate processing.

What to Expect Before the Test

No special preparation is typically required, but you may need to fast for a certain period before collecting blood samples. Follow your provider’s instructions carefully. Blood samples are drawn at multiple time points over 24 hours to track pyruvate levels accurately.

How the Test Works

Blood samples are collected from a vein in your arm at scheduled intervals. The samples are analyzed using a specialized method to measure pyruvate concentration in plasma. This data helps create a profile of how pyruvate levels fluctuate throughout the day.

What the Results Mean

Results show pyruvate levels at different times. Abnormal patterns may indicate metabolic imbalances, such as inefficient energy production or enzyme deficiencies. Your provider will interpret the results in the context of your symptoms and medical history.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

24-Hour Pyruvate Profile

Frequently asked questions

What does a pyruvate profile help detect?
A pyruvate profile can help identify conditions like mitochondrial disorders, pyruvate dehydrogenase deficiency, or other metabolic syndromes that affect how your body breaks down food for energy. Elevated or fluctuating levels may signal underlying issues requiring further medical evaluation.
How often should this test be repeated?
Your provider may recommend repeating this test if initial results are abnormal or if symptoms persist. Follow-up testing can help monitor treatment progress or adjust care plans.
Can lifestyle changes affect pyruvate levels?
Yes, diet, exercise, and hydration can influence pyruvate levels. Avoiding high-sugar or high-protein meals before testing may help provide clearer results, but always follow your provider’s guidance.
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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