Liver Function Panel: What It Includes & When to Get It
A liver function panel is a group of blood tests that evaluate liver health from multiple angles. While an ALT test screens for liver cell damage, a liver panel provides a comprehensive picture by measuring enzymes, proteins, and waste products together.
What Does a Liver Function Panel Include?
| Test | What It Measures |
|---|---|
| ALT | Liver cell damage (most liver-specific) |
| AST | Liver and muscle enzyme |
| ALP | Bile duct and bone enzyme |
| Bilirubin (total) | Waste product processed by the liver |
| Albumin | Main protein produced by the liver |
| Total Protein | Overall protein level in blood |
Why Get a Liver Function Panel?
A liver function panel is ideal when you:
- Have persistent or unexplained ALT elevation
- Are being monitored for known liver disease
- Take medications that can affect the liver
- Have symptoms of liver dysfunction
- Need a comprehensive baseline before starting a new treatment
How to Prepare
Fasting is usually not required for a basic liver function panel. However, if the panel is combined with a lipid panel or glucose test, your provider may recommend fasting for 8–12 hours. Always follow the instructions provided with your lab order.
What Your Results Mean
Interpreting a liver panel requires looking at all markers together:
- High ALT + AST — suggests liver cell injury (hepatitis, NAFLD, alcohol, drugs)
- High ALP + bilirubin — suggests bile flow problems (gallstones, bile duct obstruction)
- Low albumin — may indicate poor synthetic function or chronic liver disease
Ready to Check Your ALT?
Order online and get tested at a local lab today. Results in 1–2 business days.
Order ALT Test
Important: ALTBloodTest.com is an independent health information service. We do not provide medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider with any health questions.