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Troponin T-13395

Test info

Test name:

Troponin T

Test number:

13395

Excellian order number:

LAB13395

Abbreviation:

TRT

Alternate names:

Cardiac troponin T
cTnT

Useful for:

Detect cardiac injury
predict mortality in cases of unstable angina
Serve as a marker for perioperative myocardial infarction

Specimen

Patient preparation information:

This test may exhibit interference when sample is collected from a person who is consuming a supplement with a high dose of biotin (also termed as vitamin B7 or B8, vitamin H, or coenzyme R).

It is recommended to ask all patients who may be indicated for this test about biotin supplementation. Patients should be cautioned to stop biotin consumption at least 72 hours prior to the collection of a sample.

Specimen type:

Lithium heparin (Li hep) plasma

Collection container:

Lt green plasma separator (PST)

Volume:

1.0 mL

Minimum volume:

0.8 mL

Collection instructions:

Immediatley following collection, mix sample thoroughly by gently inverting 8 - 10, times to prevent clotting

Processing instructions:

Spin within two (2) hours of sample collection
Transfer plasma to a Screw-capped polypropylene frozen transport vial/tube - 4mL (LabCorp), labelled as Li hep plasma
Freeze

Transport container:

Screw-cap polypropylene frozen transport vial/tube - 4mL (LabCorp)

Transport and stability:

Frozen (preferred) - 12 months

Freeze/thaw cycles: x1

Refrigerated - 24 hours

Reason for rejection:

Sample other than heparin plasma

Performance

Performing lab:

LabCorp Burlington (140150): R-LC

Days set up:

Daily

TAT:

1 - 3 days

Method:

Electrochemiluminescence Immunoassay (ECLIA)

Clinical and Interpretive info

Reference ranges:

Male: 0 - 22 ng/L

Female: 0 - 14 ng/L

Cautions:

Biotin interference - see Patient preparation

Billing

CPT codes:

84484

LOINC code:

Result 6598-7

Tracking

Date created:

04/11/2019

Revised date:

02/01/2021

Review date:

02/01/2021