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Test ID: OAU    
Organic Acids Screen, Random, 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

Lactic
Pyruvic
3-OH Propionic
3-OH Butyric
3-OH Isobutyric
Acetoacetic
2-Methyl 3-OH Butyric
3-OH Isovaleric
2-OH Isovaleric
Malonic
MMA
GHB
4-OH Butyric
Ethylene Glycol
2-Ketoisovaleric
2-Methyl Acetoacetic
Ethylmalonic
Succinic
Fumaric
Uracil
Thymine
Trans-3-hydroxyhexenoic
Trans-5-hydroxyhexenoic
Erythro-2,3-dihydroxy 2-methylbutyric
Mevalonic
Isobutyrylglycine
Glutaric
3-Methylglutaconic
Propionylglycine
2-Methylbutyrylglycine
Adipic
2-Ketoglutaric
Isovalerylglycine
3-OH 3-Methylglutaric
4-OH 6-methyl 2-pyrone
4HMP
Malic
Pyroglutamic
5-Oxoproline
3-Methylcrotonylglycine
Tiglylglycine
2-OH Glutaric
3-OH Glutaric
Succinylacetone
Hexanoylglycine
N-Acetylaspartic
2-OH Adipic
Octenedioic
Suberic
2-Ketoadipic
2-Oxoadipic
Orotic
Hippuric
Pyrrole-2-Carboxyglycine
Homogentisic
Methylcitric
Sebacic
Vanillylmandelic
VMA
Homovanillic
HVA
Hydantoin 5-propionic
Phenylpropionylglycine
Vanillyllactic
Vanillactic
Suberylglycine
Vanillylpyruvic
N-Acetylvanilalanine
Hawkinsin
Tyrosinemia
Phenylketonuria
Alkaptonuria
Maple Syrup Urine Disease
Barth Syndrome
Costeff Syndrome
E3 Deficiency
MCAD
SBCAD
Beta-Ketothiolase Deficiency
Multiple Carboxylase Deficiency
SCAD
3HMG-CoA Synthase Deficiency
Dihydropyrimidine Dehydrogenase Deficiency
Neuroblastoma
Glutathione Synthetase Deficiency
SSADHD
Ethylmalonic Encephalopathy
MADD
Multiple Acyl-CoA Dehydrogenase Deficiency
Fumarase Deficiency
AADC
HIBCH
ECHS1
Dicarboxylic Aciduria
Canavan Disease
Hyperprolinemia Type II
Ornithine Transcarbamylase Deficiency
OTC
Aminoacylase Deficiency
Acids