Troponin I, high sensitive

Department

Core Biochemistry

Delphic Registration Code

TNI

Laboratory Handling

Test Adds

Test Adds not accepted if sample is more than 72hrs old.

Synonyms

TNI

Turnaround Time

3 hours

Test Code

8674

Specimen Type

• Serum
• Plasma

Specimen Requirements

Tube/Container Type:

Preferred

• Lithium Heparin - Non-gel (Green Cap)

Preferred if West Coast

• Lithium Heparin - Gel (Light Green Cap)

Acceptable

• Serum (Red Cap)
• SST II (Gold Cap)
• Lithium Heparin - Gel (Light Green Cap)

Preferred Sample Volume (ml)

4.5

No of Samples Required

1

Additional Specimen Information

Test Adds not accepted if sample is more than 72hrs old.

Paediatric Specimen - Microtainer 600 uL

Aliquot Instructions

Sample Type

• Serum
• Plasma

Minimum Volume (ml)

0.5

Transport to Lab

Chilled (2 - 8 degrees Celsius)
If overnight - Chilled (2 - 8 degrees Celsius)

Additional Referral/Aliquot Information

Send ambient if less than 8 hours, 2-8 degrees C if less than 48 hours, otherwise freeze at -20 degrees C

Interpretation

“A diagnosis of AMI requires a change in troponin, with at least one elevated value, in the context of suspected cardiac ischaemia. Most healthy individuals have detectable hsTnI and elevated troponin may result from multiple non-cardiac causes”

Reference Intervals

Male:  <20 ng/L

Female:  <10 ng/L

 

Change in reference range effective as of 18/8/2021

Test Method

Paramagnetic particle, chemiluminescent immunoassay performed on Beckman Coulter DxI 800 analyser using Beckman Coulter Access reagents

Non-Funded Test Cost

$15.81 (Exclusive of GST)

Billing Code

9936

Contact Information

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