The ammonia level test is most commonly used to diagnose and monitor hepatic encephalopathy, congenital hyperammonemia, and renal diseases.  Elevated blood ammonia levels are linked with coma and convulsions. By measuring ammonia levels, healthcare professionals can directly assess the toxic buildup of ammonia, facilitating rapid and effective intervention.

After collection, sample should be kept on ice, and centrifuge immediately without delay. Analyze the specimen within 30 minutes after centrifugation.