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Pyruvate in Serum (Mass Concentration)

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

This test measures the amount of pyruvate, a three-carbon molecule produced during the breakdown of carbohydrates in your body. It helps assess metabolic function, particularly in conditions affecting energy production.

Quick summary

["Pyruvate levels can indicate how well your body converts food into energy and may signal metabolic disorders."]

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

Key facts at a glance

LOINC
32338-6
Short code
Pyruvate SerPl-sCnc
Synonyms
Pyruvate SerPl-sCnc
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 Might Be Ordered

Your healthcare provider may recommend this test if you have symptoms like fatigue, muscle weakness, or unexplained metabolic issues. It’s also used in research or specialized care for conditions like mitochondrial disorders or lactic acidosis.

What to Expect Before the Test

No special preparation is usually needed, but you may be asked to fast for a few hours before the draw. Wear a loose shirt for easy access to your arm.

How the Test Works

A blood sample is taken from a vein in your arm. The sample is sent to a lab where pyruvate levels are measured using a specialized analytical method to detect its presence.

What the Results Mean

Results are compared to a reference range specific to the lab. Elevated levels may suggest metabolic disorders, while very low levels could indicate certain enzyme deficiencies or other metabolic disturbances.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Short name

Serum Pyruvate

Frequently asked questions

What could high pyruvate levels mean?
High pyruvate levels may signal conditions like mitochondrial disorders, lactic acidosis, or certain genetic metabolic diseases. Your doctor will consider your symptoms, medical history, and other test results to interpret the results.
What could low pyruvate levels mean?
Low pyruvate levels might indicate deficiencies in enzymes involved in energy production or other metabolic pathways. This could be part of a broader evaluation for inherited metabolic disorders.
Do I need to do anything special after the test?
You can resume your normal activities immediately. If you experience bruising, swelling, or discomfort at the injection site, apply a cold compress and contact your healthcare provider if it persists.
  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