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HelpTest Code TNIQUAL Troponin-I Qualitative ( TVC)
Additional Codes
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Cerner |
NextGen |
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Troponin-I Qualitative ( TVC) |
Troponin-I Qualitative ( TVC) |
Methodology
Abbot i-STAT
Patient Preparation
None
Collection Instructions
- Standard phlebotomy practices.
- Venous or Arterial blood only, tubes should be filled to capacity.
Specimen Requirements
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Container |
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Stability |
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Rejection Criteria |
Not Defined |
Result Reporting and Reference Values
Results will be reported as:
- <0.08 ng/mL: Not Elevated
- >0.08 ng/mL: Elevated
Reflex Testing
None
Limitations
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Interferant |
Effect |
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Hemolysis |
Decreased detection on cTnI |
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Clots |
Elevated cTnI levels |
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Heparin ≥ 90 U/mL |
Decrease in cTnI level by approximately 20%. |
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Time |
Less than 4-6 hours from onset of symptoms may yield a normal value. |
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HAMA or other heterophile antibodies |
May interfere with detection of cTnI – consider a different method if in question. |
Useful For
Cardiac troponin I measurements are used in the diagnosis and treatment of myocardial infarction and as an aid in the risk stratification of patients with acute coronary syndromes with respect to their relative risk of mortality.
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Increased Values for cTnI |
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