Days Set Up
Monday - Friday
Analytic Time

2 days

MiChart Code
Sulfite Analysis, Urine (MMGL)
Soft Order Code

Test Updated:


Urine Sulfite

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Find a Requisition

All specimens should be accompanied by a requisition.

Submitting Specimens

Learn about how to properly label and where to ship specimens.

Order Kits and Supplies

MLabs provides all the supplies necessary for the collection of specimens.

Test FAQ

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Test Overview

Test Methodology


Test Usage

Diagnosis of suspected sulfite oxidase deficiency.

Reference Range

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

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

Specimen Requirements

Collection Offsite

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.

100ml Plastic Specimen Container
Normal Volume
5 mL urine
Minimum Volume
2 mL urine

Billing Information

CPT Code
Pro Fee Code

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.