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Lab Test Dictionary

Troponin I


Trop-I, Cardiac-1, Troponin

Specimen Type

Serum or Plasma

Performing Lab

RCHSD Chemistry

Epic ID


Lab Test Days

As received

Standard TAT

1 hr

Stat TAT

30 min

Collection Information

Specimen Required

3.0 ml blood

Container Type

Light Green (Lithium Heparin PST)

Collection Instructions

Green top preferred. Red top is also acceptable.

Processing Information - Lab Use Only

Test Volume Required

1.0 ml plasma

Minimum Test Volume

0.5 ml plasma

Processing Instructions

Centrifuge & separate plasma FOR RED TOP: Ensure complete clot formation has occured prior to centrifugation. Presence of Fibrin may cause eroneous results


This is a cardiac enzyme. NOTE: For small infants 0.9 ml in light green microtainer is acceptable

CPT Codes