Unit Code 88829:
C4 Acylcarnitine, Quantitative, Urine
Useful For 
Suggests clinical disorders or settings where the test may be helpful
Evaluation of patients with abnormal newborn screens showing
elevations of C4 to aid in the differential diagnosis of SCAD
deficiency and IBD deficiency
Genetics Test Information Provides information that may help with selection of the correct test or proper submission of the test request
Useful for differential diagnosis of SCAD vs. isobutyryl-CoA
dehydrogenase deficiency. The results are not informative when
patient is receiving L-carnitine supplements.
Special Instructions and Forms Describes specimen collection and preparation information, test algorithms, and other information pertinent to test. Also includes pertinent information and consent forms to be used when requesting a particular test
Method Name A short description of the method used to perform the test
Flow Injection Analysis-Tandem Mass Spectrometry (MS/MS)
Stable Isotope Dilution
Reporting Name A shorter/abbreviated version of the Published Name for a test; an abbreviated test name
C4 Acylcarnitine, QN, U
Ordering Mnemonic An alternate Mayo code (to the Unit Code) for a test
C4U
Aliases Lists additional common names for a test, as an aid in searching
Acylcarnitines, urine
Butyrylcarnitine
IBDH
IBDH (isobutyryl-CoA dehydrogenase) deficiency
Iso-butyrylcarnitine
Isobutyryl
Isobutyryl-CoA dehydrogenase (IBDH) deficiency
Isobutyrylcarnitine
SCAD (short chain acyl-CoA dehydrogenase) deficiency
Short chain acyl-CoA dehydrogenase (SCAD) deficiency
Soft-C4U
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