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Total Triglycerides in Serum

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

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

Quick summary

["Triglycerides reflect your fat metabolism and cardiovascular health."]

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

Key facts at a glance

LOINC
70260-5
Short code
Trigl Prt/Ser
Synonyms
Trigl Prt/Ser
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 Is This Test Done?

Your healthcare provider may order this test to evaluate your risk of heart disease, diabetes, or other metabolic disorders. It’s often included in routine lipid panels or when monitoring conditions like high cholesterol, obesity, or metabolic syndrome.

What to Expect Before the Test

No special preparation is needed, but you may be asked to fast for 8–12 hours before the test if it’s part of a lipid panel. If you’re unsure, ask your provider. Blood is drawn from a vein in your arm.

What Happens During the Test?

A small needle is inserted into your arm to draw a blood sample. The process usually takes a few minutes, and you may feel a brief pinch. The blood is then sent to a lab for analysis.

What Are the Results Meant To Mean?

Higher triglyceride levels may indicate an increased risk of heart disease, pancreatitis, or other health issues. Lower levels might suggest normal fat metabolism, but results alone don’t diagnose conditions. Your provider will interpret results in the context of your overall health.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Triglycerides (Serum)

Frequently asked questions

What Does a High or Low Triglyceride Level Mean?
Elevated triglycerides often signal underlying health concerns, such as poor diet, obesity, or conditions like diabetes or hypothyroidism. Very high levels can increase the risk of pancreatitis or heart disease. Low levels are less commonly concerning unless linked to other factors like malnutrition.
How Often Should I Get This Test?
Your provider will determine how often you need this test based on your medical history, risk factors, and other tests. For example, adults with no risk factors may get it every 5 years, while those with high cholesterol or diabetes may need it more frequently.
Can I Lower My Triglycerides Naturally?
Yes! Lifestyle changes like improving diet (reducing sugars and refined carbs), increasing exercise, and maintaining a healthy weight can help lower triglycerides. Ask your provider about specific recommendations tailored to your needs.
  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