Test Overview
Test Methodology

Colorimetric

Test Usage

Diagnosis of suspected sulfite oxidase deficiency.

Reference Range *

Negative. A semi-quantitative result will be reported for positive specimens.

Test Details
Days Set Up
Monday - Friday
Analytic Time

2 days

Soft Order Code
USUL
MiChart Code
Sulfite Analysis, Urine (MMGL)
Synonyms
  • USUL
  • Urine Sulfite
Laboratory
MMGL
Section
MMGL Biochemical Genetics
STAT Availability

STAT analysis must be approved by Pediatric Geneticist on Call.

Specimen Requirements
Collection Instructions

Please notify MLabs Client Services Center to schedule testing prior to collecting specimen. Collect a random urine specimen and freeze within 45 minutes of collection. Frozen specimens must be received by the MMGL laboratory Monday - Thursday and within 2 days of collection. Include the patient's family history, clinical condition (asymptomatic or acute), diet, and a list of current medications with the test requisition.

Special Handling

Test requires prescheduling and special handling. See Collection Instructions.

Rejection Criteria
Urine samples not on ice and not received by laboratory within 45 minutes.
Normal Volume
5 mL urine
Minimum Volume
2 mL urine
Storage Temperature
(F)-frozen.
Billing
CPT Code
81099
Fee Code
23817
NY State Approved
No