Test Overview
Gas Chromatography/Mass Spectrometry (GC/MS)
Diagnosis of suspected organic acidurias.
Interpretive report provided.
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Many organic acidurias are episodic; the optimal time to evaluate is during the symptomatic period.
Test Details
5 - 10 days; contact MLabs Client Services Center or Pediatric Geneticist on Call if assay is needed on an urgent basis.
STAT analysis must be approved by Pediatric Geneticist on Call.
6 Hours post approval for STAT result.
Specimen Requirements
Collect a random urine specimen and freeze within 2 hours of collection. If the minimum volume cannot be collected in one void, multiple collections are permissible; freeze within 2 hours of collection. Transport frozen; must be received frozen and within 48 hours of collection. Include the patient's family history, clinical condition (acute or asymptomatic), diet, and a list of current medications on 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.