Test/Profile Name


Test/Profile Code


Clinical Usefullness

To detect an elevated level of ammonia in the blood that may be caused by severe liver disease, kidney failure, or certain rare genetic urea cycle disorders.

Synonyms (Also knowns as)


Specimen Type and Minimal Volume

Plasma : 0.3 mL
Plasma: Lithium Heparin or EDTA


Not required

Test Equipment

Siemens, Dimension RXL Max

Test Method

Glutamate dehydrogenase

Reference Range

11 – 32 micromol/l

Include Test


Reporting Time (Turn Around Time; TAT)

5 hrs

Clinical Information

Ammonia is a waste product formed primarily by bacteria in the intestines during the digestion of protein. If not processed and cleared from the body appropriately, excess ammonia can accumulate in the blood. This test measures the amount of ammonia in the blood.

Related Disease/Condition

Severe liver disease
Decreased blood flow to the liver
Reye syndrome
Renal failure
Rare inherited defects in the urea cycle

Related Test

Liver Profile
Renal Profile