Cardiac Troponin I (Pediatric Neurology)

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)

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