Alanine Transaminase (ALT) Blood Test: What It Is, Procedure & Results
Nov 4, 2021 · An alanine transaminase (ALT) blood test measures the amount of ALT in your blood. ALT levels in your blood can increase when your liver is damaged, so healthcare providers often use an …
What Is an Alanine Aminotransferase (ALT) Test? - WebMD
Jan 29, 2025 · An alanine aminotransferase (ALT) test can show whether you have a liver disease or injury. Learn how this test works and how it can help your doctor diagnose you.
Alanine aminotransferase (ALT) blood test - Mayo Clinic
Jun 3, 2025 · An ALT blood test helps check for liver damage. Learn when the test is done, how to prepare and what the results mean.
ALT Blood Test: MedlinePlus Medical Test
An ALT blood test checks the health of your liver. ALT is a liver enzyme that gets released into your blood when liver cells are damaged. Learn more.
ALT Blood Test: High vs Low ALT Levels & At-Home Testing Guide
3 days ago · ALT Blood Test: What ALT Levels Mean The ALT blood test (alanine aminotransferase or SGPT) measures an enzyme released when liver cells are stressed or damaged. This quick guide …
ALT Blood Test: Importance and What Your Results Mean - Health
Dec 6, 2025 · An ALT blood test detects liver enzyme levels, which may suggest liver disease, such as hepatitis. Symptoms include nausea and muscle weakness.
What Is the Normal Range for ALT in a Blood Test?
Nov 27, 2025 · Decipher your ALT liver enzyme blood test results. We explain the normal range, variations between labs, and common causes of high readings.
Alanine Aminotransferase (ALT) Test - Kaiser Permanente
Sep 25, 2025 · An alanine aminotransferase (ALT) test measures the amount of this enzyme in the blood. ALT is found mainly in the liver, but also in smaller amounts in the kidneys, heart, muscles, …
High ALT Blood Test Levels: Causes, Symptoms and When to Worry
Jan 13, 2025 · Normally, ALT levels in the blood are low; however, when the liver cells are damaged, they discharge excess ALT into the blood making ALT blood tests high. An ALT test helps estimate …
ALT Meaning: Liver Enzyme Lab Test Guide - BloodSense
Dec 10, 2025 · ALT blood test: Understand what your levels mean, why doctors order it, and how to interpret results—read the quick liver enzyme guide now.