Test Overview
LCMS/MS
Assessment of metabolic defects resulting in abnormal amino acid metabolism.
Interpretive report provided.
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Test Details
5 - 10 days; contact MLabs Client Services Center or Pediatric Geneticist on Call if assay is needed on an urgent basis.
- Alanine
- Arginine
- Asparagine
- Aspartic Acid
- Citrulline
- Cystine
- Glutamic Acid
- Glutamine
- Glycine
- Histidine
- Hydroxyproline
- Isoleucine
- Leucine
- Lysine
- Methionine
- Ornithine
- Phenylalanine
- Proline
- Serine
- Threonine
- Tryptophan
- Tyrosine
- Valine
- PAA
- L-alloisoleucine
- PLASMA AMINO ACIDS
- Phosphoethanolamine
- Homocystine
- Argininosuccinic Acid
- Hydroxylysine
- PGLABEL
- Generic Peds Genetics Test
- BIOCH GEN REPORT
- BIOCHEMICAL GENETICS REPORT
- Plasma Amino Acids Shadow
- PAAS
- Beta-Alanine
- Gamma-Aminobutyric Acid
- Glutamate
- Ethanolamine
- Sarcosine
- Alpha Aminobutyric
- Beta Aminoisobutyric
- Taurine
- Carnosine
- Alpha Aminoadipic
STAT analysis must be approved by Pediatric Geneticist on Call.
8 Hours post approval for STAT result.
Specimen Requirements
Collect specimen in a green top tube. Do not use Microtainer® tubes or tubes containing gel; these are not acceptable. Centrifuge, aliquot plasma into plastic vial, and freeze. Whole blood specimens may be stored refrigerated up to 24 hours prior to aliquotting. Include the patient's family history, clinical condition (asymptomatic or acute), diet, and a list of current medications with the test requisition.
(R)-Refrigerated; less than 24 hours
(F)-Frozen; 1 week
Additional Information
Test may include medical geneticist interpretation of results at an additional charge. By ordering this test, the clinician acknowledges that a physician interpretation will be performed and billed as a separate additional charge if indicated.