Amino Acid, Single, Quantitative, CSF

OHSU Service Code:

067-6315

CPT Codes:

82131

Lab Section:

Biochemical Genetics

Synonyms:

Glutamic Acid, Plasma, CSF, or Urine; Glutamine, Plasma, CSF, or Urine; Methionine, Quantitative, Plasma, CSF or Urine; Ornithine, Quantitative, Plasma; Tyrosine, Plasma, CSF, Urine

Specimen
Requirements:

CSF: 0.5 mL. Deliver to laboratory within 4 hr or freeze and transport frozen. For requisition slips.

Pediatric Specimen
Requirements:

0.5 mL CSF in CSF vial

Units:

umol/L

Reference Range:

Age dependent

Comments:

Indication/description: When quantitation of only one or two specific amino acids is required.

AMINO ACIDS, SINGLE QUANTITATIVE

Alanine, Alpha-aminoadipic acid, Alpha-amino-n-butyric acid, Anserine, Arginine, Argininosuccinic acid, Asparagine, Aspartic acid, Aspartylglucosamine, Beta-aminoisobutyric acid, Carnosine, Citrulline, Cystathionine, Cystine, Ethanolamine, Gamma-aminobutyric acid, Glutamic acid, Glutamine, Glycine, Histidine, 1-Methylhistidine, 3-Methylhistidine, Homocystine (Homocysteine), Isoleucine, Leucine, Lysine, Methionine, Ornithine, Phenylalanine, Phosphoethanolamine, Phosphoserine, Proline, Sarcosine, Serine, Taurine, Threonine, Tyrosine, Valine.