Test Overview
Test Methodology

Two-site enzyme-linked immunosorbent assay (ELISA)

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 *

<0.08 ng/mL

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

Test Details
Days Set Up
Daily, 24 hours
Analytic Time

1 hour

Soft Order Code
CTNI
MiChart Code
Cardiac Troponin I (cTnI)
Synonyms
    Laboratory
    Chemical Pathology
    Section
    Automation
    Specimen Requirements
    Collection Instructions

    Collect specimen in a green top tube. Centrifuge, aliquot plasma into a plastic vial and refrigerate.

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

    Normal Volume
    2.0 mL whole blood (1 mL plasma)
    Minimum Volume
    1.0 mL whole blood (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.
    Billing
    CPT Code
    84484
    LOINC
    42757-5
    NY State Approved
    No