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Troponin I - Series High-Sensitivity
MessageThe initial specimen is followed by a second specimen drawn at 1 hour.
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
Interpretive guidance for a 1-hour algorithm in South and Branson Labs:
High risk for AMI: Troponin I HS > 120 ng/L or 1 hour delta greater than 12 ng/L
Intermediate risk for AMI: 1-hour delta between 3-12 ng/L - recommend 3-hour troponin
Low risk of AMI: 0-hour troponin less than 15 ng/L for males and 10 ng/L for females with 1 hour delta less than 3 ng/L. 3-hour delta less than 20 ng/L is low risk for AMI
Interpretive guidance for a 1-hour algorithm in North, Monett, and Barton County Labs:
High risk for AMI: Troponin I HS > 120 ng/L or 1 hour delta greater than 100 ng/L
Intermediate risk for AMI: 1-hour delta between 5-100 ng/L - recommend 3-hour troponin
Low risk of AMI: 0-hour troponin less than 15 ng/L for males and 10 ng/L for females with 1 hour delta less than 5 ng/L. 3-hour delta less than 20 ng/L is low risk for AMI
Positive for myocardial infarction (Critical Value) > 120 ng/L
Males: <= 15 ng/L Negative
Interpretive guidance for a 1-hour algorithm in South and Branson Labs:
High risk for AMI: Troponin I HS > 120 ng/L or 1 hour delta greater than 12 ng/L
Intermediate risk for AMI: 1-hour delta between 3-12 ng/L - recommend 3-hour troponin
Low risk of AMI: 0-hour troponin less than 15 ng/L for males and 10 ng/L for females with 1 hour delta less than 3 ng/L. 3-hour delta less than 20 ng/L is low risk for AMI
Interpretive guidance for a 1-hour algorithm in North, Monett, and Barton County Labs:
High risk for AMI: Troponin I HS > 120 ng/L or 1 hour delta greater than 100 ng/L
Intermediate risk for AMI: 1-hour delta between 5-100 ng/L - recommend 3-hour troponin
Low risk of AMI: 0-hour troponin less than 15 ng/L for males and 10 ng/L for females with 1 hour delta less than 5 ng/L. 3-hour delta less than 20 ng/L is low risk for AMI
Positive for myocardial infarction (Critical Value) > 120 ng/L
Clinical Significance
Useful as an indicator of cardiac event.
Performed By
CoxHealth
