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Troponin I - Series High-Sensitivity
MessageThe initial specimen is followed by a second specimen drawn at 2 hours.
Test Code
201498
CPT Codes
84484 x2
Preferred Specimen
Container/Tube: Green-top (lithium heparin) tube(s)
Specimen Volume: 3 mL (minimum volume: 1mL) of plasma
Collection Instructions: Separate plasma from cells immediately
Specimen Volume: 3 mL (minimum volume: 1mL) of plasma
Collection Instructions: Separate plasma from cells immediately
Minimum Volume
1 mL
Transport Temperature
Room Temperature: < 8 hours
Refrigerate: < 24 hours
Refrigerate: < 24 hours
Methodology
Sandwich Chemiluminescent Immunoassay
Setup Schedule
Monday through Sunday
Reference Range
Females: <= 10 ng/L Negative
Males: <= 15 ng/L Negative
Low risk of AMI: 0 hour troponin < 15 ng/L for men and 10 ng/L for women with a 2 hour delta < 4 ng/L. A 6 hour delta < 12 ng/L is low risk for AMI.
Intermediate risk for AMI: 2 hour delta between 4 - 10 ng/L
High risk for AMI: 2 hour delta > 10 ng/L
Positive for myocardial infarction (Critical Value) > 100 ng/L
Males: <= 15 ng/L Negative
Low risk of AMI: 0 hour troponin < 15 ng/L for men and 10 ng/L for women with a 2 hour delta < 4 ng/L. A 6 hour delta < 12 ng/L is low risk for AMI.
Intermediate risk for AMI: 2 hour delta between 4 - 10 ng/L
High risk for AMI: 2 hour delta > 10 ng/L
Positive for myocardial infarction (Critical Value) > 100 ng/L
Clinical Significance
Useful as an indicator of cardiac event.
Performed By
CoxHealth
