Troponin T (cTnT) 5th Generation
Also known as: CTNT
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
Separate specimens must be submitted when multiple tests are ordered. Patients should follow any preparation instructions given by their healthcare provider to ensure accurate results.
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.
FDA ApprovedNew York Approved
Methodology
Immunoassay (ECLIA)
Biomarkers
LOINC Codes
- 6598-7
Result Turnaround Time
1 day
Related Documents
For more information, please review the documents below
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.
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | Unacceptable |
| Refrigerated | 24 hours |
| Frozen | 1 year |