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Test ID: OAU    
Organic Acids Screen, Urine

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Useful For Suggests clinical disorders or settings where the test may be helpful

Diagnosis of inborn errors of metabolism

Highlights

The urine organic acids (OAU) test provides a qualitative report of abnormal levels of organic acids identified via gas chromatography-mass spectrometry.

 

Diagnostic specificity of inborn errors of metabolism via urine organic acids analysis is variable due to factors such as specimen collection when the patient is asymptomatic versus acutely ill, taking dietary supplements, or anabolic versus catabolic status of the patient.

Testing Algorithm Delineates situations when tests are added to the initial order. This includes reflex and additional tests.

The following algorithms are available in Special Instructions:

-Newborn Screening Follow-up for Elevations of C8, C6, and C10 Acylcarnitines (also applies to any plasma or serum C8, C6, and C10 acylcarnitine elevations)

-Newborn Screening Follow-up for Isolated C4 Acylcarnitine Elevations (also applies to any plasma or serum C4 acylcarnitine elevation)

-Newborn Screening Follow-up for Isolated C5 Acylcarnitine Elevations (also applies to any plasma or serum C5 acylcarnitine elevation)

-Porphyria (Acute) Testing Algorithm

-Epilepsy: Unexplained Refractory and/or Familial Testing Algorithm

Special Instructions Library of PDFs including pertinent information and forms related to the test

Method Name A short description of the method used to perform the test

Gas Chromatography-Mass Spectrometry (GC-MS)

NY State Available Indicates the status of NY State approval and if the test is orderable for NY State clients.

Yes

Reporting Name Lists a shorter or abbreviated version of the Published Name for a test

Organic Acids Scrn, U

Aliases Lists additional common names for a test, as an aid in searching

2-Ketoadipic Acid
2-Ketoglutaric Acid
3-OH Dodecanedioic Acid
3-OH Sebacic Acid
4-OH Butyric Acid
Adipic Acid
Alkaptonuria
Biotinidase Deficiency
Canavan Disease
Ethylmalonic Acid (EMA)
Fumaric Acid
GA2
Gamma-Hydroxybutyric (GHB) Acid
Gamma-OH-butyrate
GHB (Gamma-Hydroxybutryic) Acid
Glutaric Acid
Glycerate, Urine, Qualitative
Homogentisic Acid
Lactic Acid
MADD (Multiple Acyl-CoA Dehydrogenase Deficiency)
Malonic Acid
Methylmalonate
Methylmalonic Acid (MMA)
Mevalonic Acid
MMA (Methylmalonic Acid)
Multiple Acyl-CoA Dehydrogenase Deficiency (MADD)
Multiple Carboxylase Deficiency
N-Acetyl Aspartic Acid
Nonvolatile and Volatile Organic Acids Screen
Octenedioic Acid
Propionic Acid
Pyroglutamic Acid
Pyruvic Acid
Sebacic Acid
Suberic Acid
Succinylacetone
Volatile and Nonvolatile Organic Acids Screen
Isovaleric Acid (IVA)