Test Overview
LCMS/MS
Diagnosis of suspected amino acid and urea cycle disorders.
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
- L-alloisoleucine
- Phosphoethanolamine
- Homocystine
- Argininosuccinic Acid
- Hydroxylysine
- UAA
- Urine Amino Acids
- UAAS
- Urine Amino Acids Shadow
- PGLABEL
- Generic Peds Genetics Test
- BIOCH GEN REPORT
- BIOCHEMICAL GENETICS REPORT
- 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 random urine specimen and freeze. Freeze each specimen immediately after collection if multiple collections are needed to reach the minimum volume. Include the patient’s family history, clinical condition (asymptomatic or acute), diet, and a list of current medications with the test requisition.
Refrigerated,(R)12 hours.
Frozen,(F) 2 weeks
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.