Liver function tests are essential medical examinations to assess the liver’s health and its efficiency in performing vital functions. Doctors recommend regular testing, especially for those with chronic diseases or taking medications that affect the liver. In this article, we guide you through everything you need to know about this important test, from its types to interpreting its results, in a comprehensive guide prepared by “Advanced Cell Laboratories” in Saudi Arabia.

What is a liver function test?

A liver function test is a set of blood tests that measure the levels of specific enzymes, proteins, and substances in the blood to evaluate liver health. This test usually includes:

• Liver enzymes tests: such as AST, ALT, and ALP.
• Bilirubin test: to detect bile and liver problems.
• Albumin and total protein test: to evaluate the liver’s ability to produce proteins.

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Why are liver function tests important for disease detection?

Liver function tests play a key role in early detection of:

• Chronic liver diseases such as cirrhosis.
• Hepatitis of various types.
• Toxic effects of medications on the liver.
• Detection of lipid disorders, such as liver and cholesterol tests.

Early testing helps avoid serious complications through an appropriate treatment plan designed by the specialist doctor.

Types of liver function tests

Comprehensive liver tests include:

1. ALT (SGPT) – the most accurate enzyme for detecting liver damage.
2. AST (SGOT) – helps determine liver damage extent.
3. ALP – elevated levels indicate bile duct issues.
4. GGT – important for evaluating alcohol or toxin-related liver diseases.
5. Bilirubin – elevated levels cause yellowing of the skin and eyes.
6. Albumin – indicator of liver protein production.
7. Liver & hepatitis tests – includes specific tests like HBsAg and HCV Ab.

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When should liver function tests be done?

It is recommended in cases such as:

• Presence of symptoms like persistent fatigue, nausea, or yellowing of the skin.
• Regular monitoring for patients with liver diseases.
• After long-term medication use.
• Patients with high cholesterol or triglycerides.
• As part of routine tests, such as fasting liver tests.

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How to prepare for a liver function test for accurate results?

To obtain accurate results, follow these guidelines:

• Fasting for 8–12 hours before the test (as per doctor’s instructions).
• Avoid taking medications before the test after consulting your doctor.
• Avoid strenuous physical activity before the test.
• Drink enough water.

These steps help minimize external factors affecting test results, especially as medications can influence liver test outcomes. Read also: Best Corona (COVID-19) Test Lab in Saudi Arabia | Fast PCR Test for Travel

Steps to perform a liver function test

At “Advanced Cell Laboratories”, liver function tests are conducted with high precision standards and include:

1. Visit the lab at the scheduled appointment.
2. Blood sample collection from a vein.
3. Sample analysis using the latest equipment.
4. Results available within hours or a working day.

How are liver function test results interpreted?

Result interpretation depends on reference values for each test, e.g.:

• Elevated ALT and AST indicate liver cell damage.
• High ALP and GGT suggest bile duct issues.
• Low albumin may indicate impaired liver function.

Interpretation should be done in consultation with a doctor considering patient history and other factors.

Factors affecting the accuracy of liver function tests

Several factors can affect accuracy, including:

• Taking medications without informing the lab.
• Physical stress before the test.
• Not fasting when required.
• Other infections or inflammations in the body.

Frequently Asked Questions about liver function tests

Is the liver function test painful? Very simple procedure; only a blood sample is drawn from a vein. Can I eat or drink before the test? Some tests require fasting; follow your doctor’s instructions. Does it detect fatty liver? It may give indicators, but CT scans confirm the diagnosis. What is the cost of liver function tests in Saudi Arabia? Varies by lab, generally between 100 to 250 SAR.

How to choose the best lab for liver function tests in Saudi Arabia?

Ensure the lab:

• Is accredited by the Ministry of Health.
• Uses the latest lab equipment.
• Provides result interpretation and medical consultation.
• Offers online appointment booking.

“Advanced Cell Laboratories” is among the best accredited labs in Saudi Arabia, providing accurate tests and excellent customer service.

Liver function tests are essential for understanding liver health and diagnosing any issues early. Don’t wait for symptoms to appear; book your appointment now at Advanced Cell Laboratories and enjoy reliable service and accurate results that help you take better care of your health.