TROPT – “Troponin T” replaced by HSTNT – “Troponin T, High Sensitivity (hs-TnT)”

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Inactivated/Replace Test

Effective Date

09/23/2024

Included in Report

WML Test Directory Update | September 2024

Replacement Test

TROPONIN T, HIGH SENSITIVITY (hs-TnT)

Inactivated Test Details

Mnemonic

TROPT

Ordering Code

3724340

CPT-4 Codes(s)

84484

Replacement Test Details

Mnemonic

HSTNT

Ordering Code

3400972

CPT-4 Codes(s)

84484

Turnaround Time
4 - 7 days
Performed
Tuesday, Thursday, Saturday
Legacy Code
HSTNT
Example Report
Download

Specimen Information

Collect

Green lithium heparin

Specimen Preparation

Centrifuge and separate plasma from cells and send 1.0 mL plasma in a screw capped plastic vial.

Minimum Volume

0.5 mL

Transport Temperature

Refrigerated

Rejection Criteria

Hemolysis, Grossly lipemic, Grossly icteric, Serum

Stability

Room temperature: Unacceptable
Refrigerated: 7 days
Frozen: 1 year

Methodology

Electrochemiluminescence Immunoassay (ELCIA)
more

Reference Range

Male: <23 ng/L
Female: <15 ng/L
more

Performing Laboratory

Quest
more

New York DOH Approval Status

Yes
more

Interface Map for HSTNT

Test Name Ordering Code Result Code Component Name LOINC Code AOE Prompt Units
Troponin T, High Sensitivity (hs-TnT)3400972
3400972 Troponin T, High Sensitivity (hs-TnT)6598-7 No

The CPT codes provided are for general informational purposes only and are based on an interpretation of AMA guidance. It is the sole responsibility of the billing party to determine CPT codes. Any questions regarding coding should be directed to the paying party.

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