Test Overview
Test Methodology

Electrochemiluminescence Immunoassay

Test Usage

For Duchenne muscular dystrophy (DMD) patients receiving gene therapy (Zolgensma) treatment, who are being monitored by the Pediatric Neurology group.
Older patients, 4 and 5 years old, will be tested weekly for the first month due have a higher risk for myocarditis or myositis following DMD therapy.

Reference Range *

Males > or =18 years: < or =20 ng/L
Females > or =18 years: < or =15 ng/L
Reference values have not been established for patients younger than 18 years old.

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

Test Details
Days Set Up
Monday, Wednesday, Friday
Soft Order Code
HSTNI
MiChart Code
Troponin I, High Sensitivity, Plasma
Synonyms
    Laboratory
    Sendout Testing
    Reference Laboratory
    Mayo HSTNI
    Section
    Sendout Testing
    Specimen Requirements
    Collection Instructions

    This test is restricted for ordering by Michigan Medicine Pediatric Neurology providers. Collect specimen in a light green top (lithium heparin gel) tube and centrifuge within 2 hours of collection. If collected in a green top tube, centrifuge and aliquot plasma into a plastic vial within 2 hours of collection. Freeze.

    Contraindications
    Patient is not a Duchenne muscular dystrophy patient receiving gene therapy treatment.

    Normal Volume

    1 mL plasma

    Minimum Volume

    0.5 mL plasma

    Rejection Criteria
    Samples stored at room temperature for more than 4 hours are unacceptable. Samples that are clotted or grossly hemolyzed.
    Additional Information

    Test sent to Mayo Clinic Laboratories.

    Billing
    CPT Code
    84484
    Fee Code
    AB207
    LOINC
    89579-7
    NY State Approved
    No