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Triglyceride concentration in serum/plasma by high-performance liquid chromatography (fast method)

Published: August 9, 2026Updated: August 17, 2026

This test measures the amount of triglycerides, a type of fat, in your blood. 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 17, 2026Editorial policy

Key facts at a glance

LOINC
3048-6
Short code
Trigl p fast SerPl-mCnc
Synonyms
Trigl p fast SerPl-mCnc
Category
glucose
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Ref low
10
Ref high
40
Critical range
— – 500 N/A
Fasting
true
Population
adult
Sex
all
Age range
18–65 years
CPT
84484
SNOMED
302774002
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

What Is Triglyceride Testing Used For?

Healthcare providers use triglyceride tests to assess your overall heart health and lipid metabolism. It helps identify whether your triglyceride levels are within a healthy range or if they may contribute to conditions like high cholesterol or cardiovascular disease. This test is often part of a broader lipid panel that also includes cholesterol measurements.

Why Might You Need This Test?

You may need a triglyceride test if you have risk factors for heart disease, such as obesity, diabetes, high blood pressure, or a family history of high cholesterol or heart problems. It may also be ordered if you’re experiencing symptoms like abdominal pain, fatigue, or signs of high triglycerides, such as a fatty liver. Doctors may also check triglycerides during routine check-ups or before certain treatments.

How Is the Test Performed?

A blood sample is taken from a vein, usually in your arm. The sample is then sent to a lab for analysis using high-performance liquid chromatography (HPLC), a method that separates and measures the triglycerides in your blood. The test typically takes a few hours to complete, and results are usually available within a few days.

What Do the Results Mean?

Triglyceride levels vary depending on factors like diet, exercise, genetics, and overall health. While specific reference ranges can vary by lab, high levels (often above 150 mg/dL) may indicate an increased risk of heart disease or other health concerns. Your healthcare provider will interpret your results in the context of your overall health and medical history.

Reference range

Adult: 10-40 U/LN/A

Specimen: serum

No special preparation required. Avoid fatty meals before the test if possible.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance: High Triglycerides and Health Risks

Short name

Triglycerides (Serum/Plasma)

Frequently asked questions

How often should I get this test?
Triglyceride tests are usually recommended as part of a routine lipid panel every 4–6 months if you have known risk factors for high triglycerides or cardiovascular disease. If you don’t have risk factors, your provider may recommend testing every few years or as needed based on your health status. Follow your healthcare provider’s advice for the best timing and frequency.
What should I do if my triglyceride levels are high?
If your triglyceride levels are elevated, your healthcare provider may recommend lifestyle changes, such as a heart-healthy diet (low in saturated and trans fats), increased physical activity, weight management, and avoiding excessive alcohol. They may also prescribe medications like fibrates or statins if necessary. Always work closely with your provider to develop a personalized plan.
Can diet or exercise affect triglyceride levels?
Yes, diet and exercise play a significant role in managing triglyceride levels. Eating foods high in healthy fats (like omega-3 fatty acids), reducing refined sugars and processed foods, and staying physically active can help lower triglycerides. Avoiding alcohol and maintaining a balanced diet are also important steps to support healthy blood fat 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 17, 2026. · Read our editorial policy