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Amino Acid Analysis Blood Test, LC/MS

An amino acid analysis blood test is an evaluation of your amino acid profile which serves as a good indicator of your overall nutritional status.

Test Code: 700068

Also Known As:

Methodology: Liquid chromatography/tandem mass spectrometry (LC/MS-MS)

Preparation: Fasting for 8 hours required.

Test Results: 4-7 days. May take longer based on weather, holiday, or lab delays.

Sample Report

Test Code: 767

Also Known As:

Methodology: Chromatography/Mass Spectrometry

Preparation: Fasting for 8 hours required.

Test Results: 6-8 days. May take longer based on weather, holiday, or lab delays.


Amino acids are organic compounds that play an essential role in properly digesting food, creating usable energy, maintaining health, and functioning normally. This panel can help discover deficiencies in amino acids and tests for 34 different amino acids.

Amino acids serve many functions, including as building blocks for proteins, neurotransmitters, precursors to hormones, and enzyme co-factors. More than 70 disorders of amino acid metabolism have been described. The clinical manifestations of these disorders are diverse.

Includes 1-Methylhistidine, 3-Methylhistidine, Alanine, Alpha-Amino Adipic Acid, Alpha-Amino Butyric Acid, Arginine, Asparagine, Aspartic Acid, Beta-Alanine, Beta-Amino Isobutyric Acid, Citrulline, Cystathionine, Ethanolamine, Gamma-Amino Butyric Acid, Glutamic Acid, Glutamine, Glycine, Histidine, Homocysteine, Hydroxyproline, Isoleucine, Leucine, Lysine, Methionine, Ornithine, Phenylalanine, Proline, Sarcosine, Serine, Taurine, Threonine, Tryptophan, Tyrosine, Valine.

Clinical Uses:

  • Diagnose primary aminoacidopathies
  • Screen for secondary aminoacidopathies
  • Monitor therapeutic response
  • Assess nutritional status

Elevation of 1 or more amino acids may be diagnostic of an aminoacidopathy. Elevated amino acid levels are also associated with noninherited diseases such as severe liver disease and renal tubular disorders (e.g., Fanconi syndrome). Decreased levels of amino acids are associated with malnutrition, as seen in the elderly or those with inadequate protein intake or gastrointestinal disease.

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