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A member asked:

Ammonia level of 357 and high uric acid. cad patient. 2 days later liver tests/ammonia tests are all normal. abd ultrasound normal. thoughts?

A doctor has provided 1 answer

Pre-analytical: Blood ammonia test is the most severely affected by pre-analytical factors, by that I mean, specimen irregularities. A smoker drawing the blood sample can result in elevated ammonia levels.

Answered 7/13/2019

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