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Triglycerides (Serum) – High-Sensitivity, Fast Turnaround

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

This test measures the amount of triglycerides, a type of fat found in your blood, using a fast and sensitive method to help assess heart health and risk of cardiovascular disease.

Quick summary

["Triglycerides are a key marker for heart health and metabolic well-being."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 17, 2026Editorial policy

Key facts at a glance

LOINC
1644-4
Short code
Trigl p 12h fast SerPl-mCnc
Synonyms
Trigl p 12h 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

Why This Test Matters

Triglycerides are a type of fat that circulates in your blood. High levels can increase your risk of heart disease, stroke, or other health problems. This test helps doctors monitor your risk and guide treatment plans, especially if you have conditions like diabetes, obesity, or high cholesterol.

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 let you know if it applies to this specific test. Avoid alcohol for 24 hours before testing, as it can affect triglyceride levels.

How the Test Works

Your blood sample is processed quickly using a sensitive method to detect triglycerides. This test is designed to provide results faster than standard triglyceride tests, which may be useful in urgent or emergency settings.

Common Reasons for This Test

Doctors may order this test if you have risk factors for heart disease, such as high blood pressure, a family history of heart problems, or if you’re being evaluated for conditions like metabolic syndrome, diabetes, or high cholesterol.

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.

◆Associated findings1

Short name

High-Sensitivity Triglycerides

Frequently asked questions

What does a high or low triglyceride level mean?
High triglyceride levels (above normal ranges) can indicate an increased risk of heart disease, pancreatitis, or other metabolic disorders. Low levels may suggest a healthy lipid profile but could also be linked to certain medications or genetic conditions. Your doctor will interpret results in the context of your overall health.
How often should I get this test?
The frequency depends on your health status and risk factors. If you have no known issues, your doctor may recommend this test every few years. If you have conditions like diabetes or high cholesterol, you may need it more often, as directed by your healthcare provider.
Can lifestyle changes affect triglyceride levels?
Yes! Eating a balanced diet low in sugar and saturated fats, exercising regularly, and maintaining a healthy weight can help lower triglyceride levels. Avoiding alcohol and quitting smoking also support better lipid control.
  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