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Triglyceride in Serum (Mass Concentration)

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 blood lipid profile and can help assess your risk for heart disease and other health conditions.

Quick summary

["Your triglyceride levels help doctors understand your heart health and whether lifestyle changes or treatment might be needed."]

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

Key facts at a glance

LOINC
3043-7
Short code
Trigl Bld-mCnc
Synonyms
Trigl Bld-mCnc
Category
glucose
Sample
whole-blood
Container
Lavender-top (EDTA)
Units
N/A
Fasting
true
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 Matters

Triglycerides are a form of fat that your body stores and uses for energy. High levels can contribute to plaque buildup in your arteries, increasing your risk for heart disease or stroke. This test is often included in routine lipid panels to monitor overall cardiovascular health.

How the Test Works

A small blood sample is drawn, and the serum (liquid part of blood after clotting) is analyzed using a specialized laboratory method to measure triglycerides. The result is expressed in a standardized unit (e.g., milligrams per deciliter).

What to Expect Before the Test

No special preparation is usually needed, but you may be asked to fast for 8–12 hours before the test to get the most accurate results. If you’re taking certain medications, like some cholesterol-lowering drugs, let your healthcare provider know.

What the Results Mean

Results are compared to general reference ranges, but individual ranges can vary by lab. High levels may prompt further evaluation, while low levels may not require immediate action unless related to other health concerns.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Short name

Serum Triglycerides

Frequently asked questions

What does a high triglyceride level mean?
High triglyceride levels can indicate an increased risk of heart disease, pancreatitis, or other metabolic issues. Your doctor may recommend lifestyle changes, such as diet adjustments or exercise, or prescribe medications if needed.
What if my triglyceride levels are normal?
Normal levels don’t guarantee heart health, but they suggest your fat metabolism is functioning within a typical range. Regular check-ups can help monitor trends over time, especially if you have risk factors like diabetes or obesity.
Can diet or exercise affect my triglyceride levels?
Yes! Reducing saturated fats, sugars, and alcohol, along with increasing fiber and healthy fats (like omega-3s), can lower triglycerides. Regular physical activity also plays a key role in maintaining healthy levels.
  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