Apr 11, 2022 · Blood ammonia levels are usually less than 50 micromoles per liter (micromol /L), but this can vary depending on age. An increase to only 100 micromol /L can lead to changes …

An ammonia levels test measures the amount of ammonia (NH3) in your blood. High ammonia levels can cause serious brain damage and coma. Learn more.

Jan 16, 2023 · Higher than normal blood ammonia levels are called hyperammonemia. Acceptable levels depend on age and sex but range from about 42 µg/dL in infants to 200 …

Dec 2, 2025 · High ammonia levels are toxic and cause symptoms such as headache, confusion, disorientation, excessive sleepiness, and difficulty concentrating. These symptoms reflect …

For most adults, normal ammonia levels range between 15 and 45 micrograms per deciliter (mcg/dL), although specific ranges may differ slightly depending on the laboratory. Your …

Elevated ammonia levels indicate that the body is not effectively processing and clearing ammonia. This condition is a significant concern as ammonia is a potent neurotoxin that can …

Aug 9, 2025 · What Is an Ammonia Test? It’s a simple blood test that lets your doctor measure how much ammonia is in your blood. Bacteria in your gut and in your cells create ammonia …

Aug 17, 2025 · Normal blood ammonia levels vary depending on age, and these ranges can also differ slightly between laboratories. In adults, ammonia levels are generally less than 30 …

Too much ammonia in your body can cause problems like confusion, tiredness, and possibly coma or death. A child's reaction to too much ammonia can include seizures, breathing …

Feb 13, 2025 · This test may be done if you have, or your provider thinks you have, a condition that may cause a toxic buildup of ammonia. It is most commonly used to diagnose and monitor …