Troponin I i-stat (POCT)

Overview
Department	Point of Care Testing (POCT)
Test Code	N/A
Synonyms	Trop I Tni I-stat, cTni
Availability	Monday - Sunday at Hawera Hospital, available also out of hours for emergencies
Turnaround Time	10 minutes once cartridge is loaded into the i-Stat
Stability – Add test	N/A
Specimen Requirements
Specimen	Venous sample collected into Heparinized
Preferred	Heparinized whole blood or plasma samples collected in plastic syringes or evacuated tubes containing lithium or sodium heparin filled to capacity.
Acceptable	Heparinized whole blood or plasma samples collected in plastic syringes or evacuated tubes containing lithium or sodium heparin filled to capacity.
Unacceptable	Grossly haemolysed samples are unacceptable
Minimum Volume	17 μL whole blood
Specimen Collection and Transportation
Test Information
Test Method	i-Stat - cTnI cartridge (cardiac troponin I)
Unit of Measurement	ng/mL
Reference Intervals	Reportable range 0.00-50.00ng/mL <0.03 ng/mL >0.03 ng/mL
Uncertainty of measurement	N/A
Additional Information	For information on the interpretation of POCT Troponin I results refer to the RACPP (Rural Accelerated Chest Pain Pathway)    Rapid triage of chest pain patients, including those with acute coronary syndromes (ACS)
Comments
Quick user guides for testing should be available with the meter. All procedures, worksheets and competency checklist for sign-off are available on the intranet to all Health NZ Staff. This test is covered under the current IANZ Laboratory accreditation.

Owner	Pam Chung (Pchung)
Last reviewed	06.10.2025
Next review	06.10.2026 (OK)