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Quick Answer. A personâs normal ammonia level typically ranges between 15 to 45 micrograms per deciliter. To determine these levels, an ammonia blood test is performed.
Ammonia is a nutrient that contains nitrogen and hydrogen. Its chemical formula is NH 3 in the un-ionized state and NH 4+ in the ionized form. Total ammonia is the sum of both NH 3 and NH 4+ . Total ammonia is what is measured analytically in water.