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Test Code LAB5335 TROPONIN I, HIGH SENSITIVITY

Important Note

Baseline and 1-hour testing for high-sensitivity Troponin I is the recommended protocol for ruling out myocardial infarction. 1-hour must be drawn within 50-70 min post 0-hour draw; otherwise the 2-hour algorithm should be used.

 

Specimen Type

Lithium Heparin Plasma (Mint/Light Green Top Tube)

 

 

Specimen Volume

1 mL

Minimum Volume

0.5 mL

Turnaround Time

STAT: 1 hour
Routine: 1 hour

Test Schedule

Daily

Sample Stability

Room Temperature: 8 hours

Method

Electrochemiluminesence

Reference Ranges

Troponin-I ng/L

      Normal Range: 

             Normal Female:  < 14 ng/L

             Normal Male:      < 35 ng/L

    Critical Results

             Troponin > 64 ng/L

 

 

Reporting Limit

2.7 - 108,000 ng/L 

Test Components

Troponin-I, ng/L

CPT Codes

84484

Rejection Criteria

Hemolysis >1000 mg/dL

Icterus > 30 mg/dL

Lipemia > 3000 mg/dL

Specimens over 24 hours old.

Serum samples