Organic Acids, Plasma

Organic Acids, Urine assay, is the preferred test when screening for inherited disorders of metabolism. This plasma test is not as sensitive and will only detect the organic acids listed.

2-Keto-3-Methylvaleric Acid

Optimal range: 10 - 30 umol/L

2-Ketoisocaproic Acid

Optimal range: 20 - 75 umol/L

2-Ketoisovaleric Acid

Optimal range: 3 - 20 umol/L

3-Oh-Butyric Acid

Optimal range: 0 - 30 umol/L

Acetoacetic Acid

Optimal range: 0 - 66 umol/L

Citric Acid

Optimal range: 0 - 100 umol/L

Lactic Acid

Optimal range: 600 - 2600 umol/L

Formed from pyruvate in anaerobic or oxygen-starved (hypoxic) conditions to allow for ongoing production of ATP.

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Pyruvic Acid

Optimal range: 20 - 140 umol/L

Succinic Acid

Optimal range: 16 - 25 umol/L