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Lipid profile (total cholesterol, HDL cholesterol, LDL cholesterol, triglycerides)

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

This test measures key fats (cholesterol and triglycerides) in your blood to help assess heart health and risk of cardiovascular disease.

Quick summary

["Your lipid levels help determine your risk for heart disease and guide treatment plans if needed."]

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

Key facts at a glance

LOINC
9926-7
Short code
Q wave Dpth L-AVL
Synonyms
Q wave Dpth L-AVL
Category
coagulation
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Ref low
0.8
Ref high
1.2
Critical range
— – 5 N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
ekg
CPT
85610
SNOMED
396252006
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 for Heart Health

High levels of certain fats in your blood can increase your risk of developing conditions like atherosclerosis (plaque buildup in arteries) or heart disease. This test helps doctors monitor your overall cardiovascular health and identify areas where lifestyle or medical interventions might be helpful.

What the Test Measures

This test includes four main components: total cholesterol (the sum of all fats in your blood), HDL cholesterol (often called 'good' cholesterol), LDL cholesterol (often called 'bad' cholesterol), and triglycerides (a type of fat in your blood). Each plays a role in how your heart and blood vessels function.

How the Test Works

A small blood sample is drawn from your arm. The blood is processed to separate the fats, and specialized lab techniques measure each component. Results are compared to general reference ranges to assess your lipid profile.

Common Reasons for This Test

Doctors may recommend this test if you have a family history of heart disease, high cholesterol, or other risk factors like high blood pressure or diabetes. It’s also part of routine check-ups for adults over 20 years old, or as part of preventive care.

Reference range

INR: 0.8-1.2 (warfarin: 2.0-3.0)N/A

Specimen: serum

Inform your healthcare provider if you are taking blood thinners. No special preparation required.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Lipid Panel

Frequently asked questions

What does a high or low result mean?
High total cholesterol or LDL cholesterol may indicate an increased risk of heart disease. High triglycerides can also contribute to cardiovascular risks. Low HDL cholesterol may suggest a higher risk of plaque buildup in arteries. Your doctor will discuss results in the context of your overall health and any other risk factors you have.
How often should I get this test?
The frequency depends on your health status. Generally, adults with no risk factors may get this test every 4–5 years. Those with risk factors, like high cholesterol or a family history of heart disease, may need it more often, typically every 1–2 years. Your doctor will advise based on your personal needs.
Can lifestyle changes affect my lipid test results?
Yes! Eating a balanced diet low in saturated fats, exercising regularly, maintaining a healthy weight, and avoiding smoking can improve your lipid levels. Even small changes can make a difference, so working with your doctor to create a personalized plan is important.
  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