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Triglycerides (Mass Concentration) in Serum

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

This test measures the amount of triglycerides—a type of fat—in your blood serum. Triglycerides are a key part of your lipid profile and play a role in heart health.

Quick summary

["Triglycerides help your body store and use energy, but high levels can increase your risk of heart disease."]

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

Key facts at a glance

LOINC
14449-3
Short code
Trigl Snv-mCnc
Synonyms
Trigl Snv-mCnc
Category
glucose
Sample
fluid
Container
Sterile tube
Units
N/A
Fasting
true
Population
adult
Sex
all
Age range
18–65 years
Specimen volume
2-5 mL
Stability
Room temperature: 2h, Refrigerated: 24h
Hemolysis max
300
TAT
4–24 hours
Order
routine

What Is Triglyceride Testing Used For?

Doctors often order triglyceride tests to assess your overall heart health, especially if you have risk factors like obesity, diabetes, high cholesterol, or a family history of heart disease. It may also be part of routine check-ups or if you’re experiencing symptoms like fatigue, abdominal pain, or rapid weight gain.

How Is This Test Performed?

A small blood sample is drawn from a vein, usually in your arm. The blood is then processed to separate serum (the liquid part after clotting) for testing. The lab uses a specialized method to measure the exact amount of triglycerides present.

What Might Affect Your Results?

Several factors can influence triglyceride levels, including recent meals (eating can temporarily raise levels), alcohol consumption, certain medications (like beta-blockers or steroids), and underlying health conditions like kidney disease or thyroid disorders. It’s important to follow your doctor’s instructions about fasting or avoiding certain foods/drinks before the test.

Interpreting Your Results

While exact reference ranges can vary by lab, high triglyceride levels (often above normal ranges) may signal potential health concerns that need further evaluation. Your doctor will consider your overall health picture, including other lab results and symptoms, when interpreting your results.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Elevated triglyceride levels can contribute to plaque buildup in your arteries, increasing the risk of heart attack or stroke. They may also be linked to other conditions like pancreatitis or metabolic syndrome. Your doctor may recommend lifestyle changes, medications, or further testing if your levels are high.

Short name

Triglycerides (Serum)

Frequently asked questions

How long does it take to get my triglyceride test results?
Test results are typically available within a few days to a couple of weeks, depending on your lab’s processing schedule. Your doctor’s office will contact you once they have the results.
Can I eat or drink before this test?
Most doctors recommend fasting for 8–12 hours before a triglyceride test, but some may allow a small amount of water. Always follow your healthcare provider’s specific instructions to ensure accurate results.
Are there any side effects from having blood drawn?
Most people experience only minor discomfort or bruising at the injection site. Rarely, some may feel lightheaded or experience a small bump where the needle went in. If you have a fear of needles, let your doctor know so they can discuss alternatives.
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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