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.
- Beta-Alanine
- Alanine
- Arginine
- Aspartic Acid
- Cystine
- Glutamine
- Histidine
- Asparagine
- Citrulline
- Glutamic Acid
- Glycine
- Hydroxyproline
- Phosphoethanolamine
- Hydroxylysine
- Homocystine
- Argininosuccinic Acid
- Methionine
- Phenylalanine
- Serine
- Threonine
- Tyrosine
- L-alloisoleucine
- Isoleucine
- Lysine
- Ornithine
- Proline
- Tryptophan
- Valine
- Leucine
- CAA
- Amino Acids, CSF-QN
- Gamma-Aminobutyric Acid
- PGLABEL
- Generic Peds Genetics Test
- BIOCH GEN REPORT
- BIOCHEMICAL GENETICS REPORT
- CAAS
- Amino Acids, CSF-QN Shadow
- Glutamate
- Carnosine
- Alpha Aminoadipic
- Taurine
- Beta Aminoisobutyric
- Alpha Aminobutyric
- Ethanolamine
- Sarcosine
STAT analysis must be approved by Pediatric Geneticist on Call.
8 hours post approval for STAT result.
Specimen Requirements
Collect CSF in a sterile tube. If blood is present, centrifuge and aliquot CSF into a plastic vial and freeze within 1 hour of collection. If a centrifuge is not available, refrigerate specimen and send to laboratory within 24 hours of collection. Include the patient's family history, clinical condition (asymptomatic or acute), diet, and a list of current medications with the test requisition.
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.