Test Overview
Test Methodology

Gas Chromatography/Mass Spectrometry (GC/MS)

Test Usage

Diagnosis of suspected organic acidurias.

Reference Range *

Interpretive report provided.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Limitations

Many organic acidurias are episodic; the optimal time to evaluate is during the symptomatic period.

Test Details
Days Set Up
Monday - Friday
Analytic Time

5 - 10 days; contact MLabs Client Services Center or Pediatric Geneticist on Call if assay is needed on an urgent basis.

Soft Order Code
SA
MiChart Code
Aldosterone
Synonyms
  • SA
  • URINE SUCCINYLACETONE
  • Generic Peds Genetics Test
  • PGLABEL
  • BIOCH GEN REPORT
  • BIOCHEMICAL GENETICS REPORT
  • Urine Succinylacetone Shadow
  • SAS
Laboratory
MMGL
Section
MMGL Biochemical Genetics
STAT Availability

STAT analysis must be approved by Pediatric Geneticist on Call.

STAT Limitations

6 Hours post approval for STAT result.

Specimen Requirements
Collection Instructions

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.

Rejection Criteria
Specimen not frozen if collected more than 2 hours prior.
Normal Volume
10 mL random urine
Minimum Volume
5 mL random urine
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.

Billing
CPT Code
83919
Fee Code
DA092
Pro Fee CPT
80500
NY State Approved
No
Resources