Sign In
Labcorp Oklahoma, Inc.
Test Directory


Index:

CK Heart W/Troponin-I

Order Name CK HEART T
Test Number: 2017925
Revision Date 10/01/2022
Test Name Methodology LOINC Code
Troponin I
Chemiluminescence Assay 10839-9 
Creatine Kinase
Enzymatic 2157-6 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 1 mL (0.5) Plasma Lithium Heparin PST (Light Green Top) Refrigerated
Alternate 1 1 mL (0.5) Serum Clot Activator SST Refrigerated
Instructions Please keep specimen refrigerated.
Stability: Ambient 8 hours, Refrigerated 72 hours, Frozen 30 days
GENERAL INFORMATION
Testing Schedule Daily 
Expected TAT 1-2 days  
Clinical Use This cardiac analyzer is used in the evaluation of patients with a high suspicion for acute myocardial infarction and useful as an aid in diagnosing myocardial injury. CK MB performed if CPK elevated (82553). 
Notes Elevated CPK values will reflex to:
Order Code: [2018200] .CKMB with Index
Result Codes: [5006050] CK MB and [4170621] CKMB Rel Index
CPT Code(s) 82550, 84484 See the Test Notes Section of this test for possible reflex to cpt 82553.
Lab Section Chemistry