Amino acids, Organic acids, Fatty acids Disorders (Tandem Mass Spectrometry).

Table 6: Amino acids, Organic acids, Fatty acids Disorders (Tandem Mass Spectrometry).

	Decreased Level	Frequency	%
Organic acid	Acetylcarnitine (C2)	19	38
	Free Carnitine (C0)	1	2
	Propionylcarnitine (C3)	1	2
Fatty acid	Octadecanoylcarnitine (C18)	12	24
	Palmitoylcarnitine (C16)	1	2
	Myristiylcarnitine (C14)	1	2
	Total	35	70
	Increased level
Amino acid	Glycine	7	14
	Leucine	1	2
	Phenylalanine	1	2
	Total	9	18
Enzyme	Biotinidase deficiency	2	4