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Total Triglycerides (Serum/Plasma Mass Concentration)

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

This test measures the amount of triglycerides, a type of fat, in your blood. Triglycerides are an important part of your lipid profile and can help assess your risk for heart disease and other health conditions.

Quick summary

["Triglycerides help identify heart health risks and support overall lipid management."]

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

Key facts at a glance

LOINC
35360-7
Short code
Lpa Trigl SerPl-mCnc
Synonyms
Lpa Trigl SerPl-mCnc
Category
glucose
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
true
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 Matters

Triglycerides are a key component of your blood lipid profile, which includes cholesterol and other fats. High levels can increase your risk of developing heart disease, stroke, or other cardiovascular conditions. This test helps doctors monitor and manage your lipid levels to support your long-term health.

What to Expect Before the Test

No special preparation is needed for this test. You may have a small needle inserted into your arm to draw blood. If you’re fasting, your doctor will typically instruct you to avoid eating or drinking (except water) for 8–12 hours before the test. If you’re not fasting, your doctor may ask you to eat normally, as triglycerides can fluctuate based on what you eat.

How the Test Works

Blood is drawn from a vein in your arm and sent to a lab. There, specialized equipment measures the amount of triglycerides in the serum or plasma. The test is typically completed quickly and results are often available within a few days.

What the Results Mean

Your results will show the concentration of triglycerides in your blood. While specific reference ranges vary by lab, high levels (above typical reference ranges) may signal an increased risk for heart disease or other health concerns. Your doctor will discuss your results in the context of your overall health and any other tests or conditions you have.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Triglycerides

Frequently asked questions

What does a high triglyceride level mean?
High triglyceride levels can indicate an increased risk of developing cardiovascular diseases, such as heart disease or stroke. They may also be associated with other health conditions, including diabetes, obesity, or metabolic syndrome. Your doctor may recommend lifestyle changes, medications, or further testing if your levels are elevated.
What causes triglyceride levels to be high?
Several factors can contribute to high triglyceride levels, such as diet (e.g., high intake of sugars or fats), obesity, physical inactivity, genetics, or certain medical conditions like diabetes or hypothyroidism. If you have risk factors or symptoms, your doctor may investigate further to identify the cause.
How can I lower my triglyceride levels?
If your triglyceride levels are high, your doctor may recommend lifestyle changes such as improving your diet (e.g., reducing saturated and trans fats, increasing fiber), increasing physical activity, losing weight if needed, and avoiding alcohol. In some cases, medications may also be prescribed to help manage levels.
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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