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Test Code LAB3836 Troponin I, High Sensitivity

Additional Codes

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Clinical System Name

Troponin I, high sensitivity

Synonyms

Trop I

TnI hs

Sample Requirements

Specimen: Whole Blood

Container(s): Lt. Green/Lithium Heparin

Preferred Vol: 2.0 mL

Minimum Vol: 1.0 mL

 

Note: If collecting microtainers, please provide 2 full microtainer.

Processing Instructions

Reject due to: Add ons after 4 hours from collection

Spin: Y

Aliquot: Y

Temp: 2 - 8oC

Storage Location: Core freezer 3, -20oC

 

Off-site Collection: Spin blood, aliquot and send refrigerated sample.

Stability

Specimen Type Temperature Time
plasma on/off gel Room Temp 8 h
plasma off gel Refrigerated 24 h
plasma off gel  Frozen 30 d

 

Availability

STAT Performed TAT
Y 24/7 1 h

 

Performing Laboratory

Seattle Children's Hospital

 

 

Department

Department: Core Chemistry

Phone Number: 206-987-2617 (Client Services)

CPT Codes

84484

Methodology

Method: Chemiluminescent microparticle immunoassay (CMIA) by Abbott Alinity i

Analytical Volume: 210 uL

Limitations: High fibrinogen and particlates can cause spurious false elevations. Re-centrifuge at ≥10,000 RCF for 10 minutes if suspicous. 

Reference Ranges

Age TnI (ng/L)
< 6 m  < 55.8 
> 6 m < 30.9