Troponin T (cTnT) 5th Generation

Also known as: CTNT

Clinical Use

Use

This test is recommended for the diagnosis and management of acute coronary syndrome. Troponin T is a cardiac-specific troponin that is released into the bloodstream following myocardial necrosis. It is used to detect cardiac events, such as a heart attack, and to stratify risk in patients with acute coronary syndrome. Elevated troponin levels are indicative of myocardial infarction and are crucial for the appropriate management and treatment of patients presenting with ischemic heart disease symptoms.

Special Instructions

Not provided.

Limitations

This test may not be suitable for the initial evaluation of cardiac disease without clinical correlation. Troponin levels can be affected by renal dysfunction, and other conditions such as myocarditis, heart failure, and pulmonary embolism can also cause elevated troponin levels. The test is not designed to predict future cardiac events or determine final treatment options without consideration of clinical findings and additional tests.

Test Details

FDA Approved

New York Approved

Methodology

Immunoassay (ECLIA)

Biomarkers

Troponin T

Protein

Concentration / Level

Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)

LOINC Codes

Order Codes

6598-7 - Troponin T SerPl-mCnc

Result Turnaround Time

1 day

Specimen

Plasma

Volume

1 mL

Minimum Volume

0.5 mL

Container

ARUP standard transport tube

Collection Instructions

Separate from cells ASAP or within 2 hours of collection. Use a Plasma separator tube (PST) or green (lithium heparin) tube for collection.

Storage Instructions

CRITICAL FROZEN. Refrigerated specimens are stable for 24 hours, frozen for up to 1 year.

Causes for Rejection

Specimens collected in lavender or pink (K2EDTA), lavender (K3EDTA), potassium oxalate, sodium fluoride, or sodium citrate. Grossly hemolyzed specimens.