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Test Code HSTROPI High Sensitivity Troponin-I Profile (hsTnI), Plasma or Serum

Performing Laboratory

Lima Memorial Health System Laboratory

Specimen Requirements

Preferred:
Container/Tube: Green cap-yellow ring Top (Lithium Heparin Gel) tube
Minimum Volume: 1.0 mL 
Collection Instructions: Centrifuge within 2 hours. Lithium heparin plasma and serum should not be used interchangeably.
Also Acceptable:
Container/Tube: Plain, Red Top or Serum gel (SST-Gel) tube

Reference Values

Females: ≤ 15 ng/L

Males: ≤20 ng/L

Alarm values (automatic call-back):

≥100 ng/L

≥ 4 ng/L change from previous normal value

 ≥ 20% change from previous abnormal value 

Specimen Stability

Ambient: 4 hours
Refrigerate: 48 hours
Frozen: aliquot for longer storage

Day(s) Test Set Up

Monday through Sunday

Methodology

Two-site Immunoenzymatic ('sandwhich')

Test Classification and CPT Coding

84484

Panel Information

Tests Included:

High Sensitivity Troponin (hsTnI)

hsTnI % Delta

hsTnI Delta