Days Set Up
Monday - Friday
Analytic Time

2 - 5 days

MiChart Code
PTPN11 Gene Sequencing in Inherited Disorders
Soft Order Code

Test Updated:


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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

Visit our provider FAQ and learn about common questions to ordering tests.

Test Overview

Test Methodology

Extraction and Scanning Spectrofluorometry

Test Usage

Monitoring treatment of patients with porphyria cutanea tarda.

Reference Range

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

Specimen Requirements

Collection Offsite

Patient should abstain from alcohol for 24 hours prior to specimen collection. Please forward a list of medications the patient is currently taking with the specimen. Collect specimen in a green top tube. Centrifuge, aliquot plasma into a plastic vial and freeze. Protect specimen from light.

Normal Volume
3 mL plamsa
Minimum Volume
2 mL plasma

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.